| KAA | Kasama Airport | Kasama |  Zambia |
| KAB | Kariba Airport | Harare |  Zimbabwe |
| KAC | Al Qamishli International Airport | Kameshli |  Syrian Arab Republic |
| KAD | Kaduna Airport | Kaduna |  Nigeria |
| KAE | Kake Airport | Kake |  United States of America |
| KAF | Karato Airport | Rabaul |  Papua New Guinea |
| KAG | Gangneung Airport | Yangyang |  Korea (Republic of) |
| KAI | Kaieteur Airport | Georgetown |  Guyana |
| KAJ | Kajaani Airport | Kajaani |  Finland |
| KAK | Kar Airport | Mendi | Papua New Guinea |
| KAL | Kaltag Airport | Kaltag | United States of America |
| KAM | Kamaran Island Airport | Sana'a |  Yemen |
| KAN | Aminu Kano International Airport | Kano | Nigeria |
| KAO | Kuusamo Airport | Kuusamo | Finland |
| KAP | Kapanga Airport | Lubumbashi |  Congo (Democratic Republic of the) |
| KAQ | Kamulai Airport | Port Moresby | Papua New Guinea |
| KAR | Kamarang Airport | Georgetown | Guyana |
| KAS | Karasburg Airport | Oranjemund |  Namibia |
| KAT | Kaitaia Airport | Kerikeri |  New Zealand |
| KAU | Kauhava Airport | Kokkola/Pietarsaari | Finland |
| KAV | Kavanayen Airport | Puerto Ordaz |  Venezuela (Bolivarian Republic of) |
| KAW | Kawthaung Airport | Kawthaung |  Myanmar |
| KAX | Kalbarri Airport | Geraldton |  Australia |
| KAY | Wakaya Island Airport | Lakeba |  Fiji |
| KAZ | Kau Airport | Ternate |  Indonesia |
| KBA | Kabala Airport | Freetown |  Sierra Leone |
| KBB | Kirkimbie Airport | Kununurra | Australia |
| KBC | Birch Creek Airport | Fort Yukon | United States of America |
| KBD | Kimberley Downs Airport | Broome | Australia |
| KBE | Hot Springs SPB Airport | Ketchikan | United States of America |
| KBF | Karubaga Airport | Wamena | Indonesia |
| KBG | Kabalega Falls Airport | Entebbe |  Uganda |
| KBH | Kalat Airport | Quetta |  Pakistan |
| KBI | Kribi Airport | Douala |  Cameroon |
| KBJ | Kings Canyon Airport | Ayers Rock | Australia |
| KBK | Klag Bay Airport | Sitka | United States of America |
| KBL | Khwaja Rawash Airport | Kabul |  Afghanistan |
| KBM | Kabwum Airport | Lae | Papua New Guinea |
| KBN | Kabinda Airport | Kalemie |  Angola |
| KBO | Kabalo Airport | Kalemie | Congo (Democratic Republic of the) |
| KBP | Boryspil (Borispol) Airport | Kiev |  Ukraine |
| KBQ | Kasungu Airport | Lilongwe |  Malawi |
| KBR | Sultan Ismail Petra Airport | Kota Bharu |  Malaysia |
| KBS | Bo Airport | Freetown | Sierra Leone |
| KBT | Kaben / Kaven Airport | Majuro |  Marshall Islands |
| KBU | Gusti Syamsir Alam Airport | Kotabaru | Indonesia |
| KBV | Krabi Airport | Krabi |  Thailand |
| KBW | Chignik Bay Seaplane Base | Egegik | United States of America |
| KBX | Kambuaya Airport | Sorong | Indonesia |
| KBY | Streaky Bay Airport | Ceduna | Australia |
| KBZ | Kaikoura Airport | Blenheim | New Zealand |
| KCA | Kuqa Qiuci Airport | Kuqa |  China |
| KCB | Tepoe Airstrip | Paramaribo |  Suriname |
| KCC | Coffman Cove SPB Airport | Klawock | United States of America |
| KCD | Kamur Airport | Tembagapura | Indonesia |
| KCE | Collinsville Airport | Proserpine | Australia |
| KCF | Kadanwari Airport | Sukkur | Pakistan |
| KCG | Fisheries | Egegik | United States of America |
| KCH | Kuching International Airport | Kuching | Malaysia |
| KCI | Kon Airport | Fak Fak | Indonesia |
| KCJ | Komaio Airport | Moro | Papua New Guinea |
| KCL | Chignik Lagoon Airport (Chignik Flats Airport) | Port Moller | United States of America |
| KCM | Kahramanmaras Airport | Kahramanmaras |  Turkey |
| KCN | Chernofski Harbor Seaplane Base | Dutch Harbor | United States of America |
| KCO | Cengiz Topel Airport | Izmit | Turkey |
| KCP | Kamenets-podolskiy Airport | Chernivtsi | Ukraine |
| KCQ | Chignik Lake Airport | Egegik | United States of America |
| KCR | Colorado Creek Airport | Tatalina | United States of America |
| KCS | Kings Creek Station Airport | Ayers Rock | Australia |
| KCT | Koggala Airport | Koggala |  Sri Lanka |
| KCU | Masindi Airport | Entebbe | Uganda |
| KCZ | Kochi Airport | Kochi |  India |
| KDA | Kolda Airport | Dakar |  Senegal |
| KDB | Kambalda Airport | Kalgoorlie | Australia |
| KDC | Kandi Airport | Cotonou |  Benin |
| KDD | Khuzdar Airport | Sukkur | Pakistan |
| KDE | Koroba Airport | Tari | Papua New Guinea |
| KDF | Kouba Airport | Garoua |  Algeria |
| KDG | Kardjali Airport | Plovdiv |  Bulgaria |
| KDH | Kandahar Airport | Kandahar | Afghanistan |
| KDI | Wolter Monginsidi Airport | Kendari | Indonesia |
| KDK | Kodiak Municipal Airport | Kodiak | United States of America |
| KDL | Kardla Airport | Kardla |  Estonia |
| KDM | Kaadedhdhoo Airport | Fumawula |  Maldives |
| KDN | Ndende Airport | Libreville |  Gabon |
| KDO | Kadhdhoo Airport | Fumawula | Maldives |
| KDP | Kandep Airport | Mendi | Papua New Guinea |
| KDQ | Kamberatoro Airport | Vanimo | Papua New Guinea |
| KDR | Kandrian Airport | Hoskins | Papua New Guinea |
| KDS | Kamaran Downs Airport | Mount Isa | Australia |
| KDT | Kamphaeng Saen Airport | Bangkok | Thailand |
| KDU | Skardu Airport | Skardu | Pakistan |
| KDV | Kandavu Airport | Kandavu | Fiji |
| KDW | Victoria Reservoir Seaplane Base (Polgolla Reservoir Airport) | Kandy | Sri Lanka |
| KDY | Teply Klyuch Airport | Ust-Maya |  Russian Federation |
| KDZ | Polgolla Reservoir | Kandy | Sri Lanka |
| KEA | Keisah Airport | Merauke | Indonesia |
| KEB | Nanwalek Airport | Homer | United States of America |
| KEC | Kasenga Airport | Lubumbashi | Congo (Democratic Republic of the) |
| KED | Kaedi Airport | Nouakchott |  Mauritania |
| KEE | Kelle Airport | Brazzaville |  Congo |
| KEF | Keflavik International Airport | Reykjavik |  Iceland |
| KEG | Keglsugl Airport | Goroka | Papua New Guinea |
| KEH | Kenmore Air Harbor Airport | Seattle | United States of America |
| KEI | Kepi Airport | Merauke | Indonesia |
| KEJ | Kemerovo Airport | Kemerovo | Russian Federation |
| KEK | Ekwok Airport | King Salmon | United States of America |
| KEL | Kiel-Holtenau Airport | Hamburg |  Germany |
| KEM | Kemi/Tornio Airport | Kemi/Tornio | Finland |
| KEN | Kenema Airport | Freetown | Sierra Leone |
| KEO | Odienne Airport | Korhogo |  Cote d'Ivoire |
| KEP | Nepalganj Airport | Nepalganj |  Nepal |
| KEQ | Kebar Airport | Manokwari | Indonesia |
| KER | Kerman International Airport | Kerman |  Iran (Islamic Republic of) |
| KES | Kelsey Airport | Norway House |  Canada |
| KET | Keng Tung Airport | Keng Tung | Myanmar |
| KEU | Keekorok Airstrip | Mara Lodges |  Kenya |
| KEV | Halli Airport | Jyvaskyla | Finland |
| KEW | Keewaywin Airport | Sachigo Lake | Canada |
| KEX | Kanabea Airport | Lae | Papua New Guinea |
| KEY | Kericho Airport | Kisumu | Kenya |
| KEZ | Kelani River-Peliyagoda Waterdrome | Colombo | Sri Lanka |
| KFA | Kiffa Airport | Nouakchott | Mauritania |
| KFG | Kalkurung Airport | Kununurra | Australia |
| KFP | False Pass Airport | Cold Bay | United States of America |
| KFS | Kastamonu Airport | Sinop | Turkey |
| KGA | Kananga Airport | Lubumbashi | Congo (Democratic Republic of the) |
| KGB | Konge Airport | Lae | Papua New Guinea |
| KGC | Kingscote Airport | Kingscote | Australia |
| KGD | Khrabrovo Airport | Kaliningrad | Russian Federation |
| KGE | Kagau Airport | Munda |  Solomon Islands |
| KGF | Karaganda Airport | Karaganda |  Kazakhstan |
| KGG | Kedougou Airport | Dakar | Senegal |
| KGH | Yongai Airport | Popondetta | Papua New Guinea |
| KGI | Kalgoorlie Airport | Kalgoorlie | Australia |
| KGJ | Karonga Airport | Lilongwe | Malawi |
| KGK | New Koliganek Airport | King Salmon | United States of America |
| KGL | Kigalin International Airport | Kigali |  Rwanda |
| KGM | Kungum Airport | Pemba | Papua New Guinea |
| KGN | Kasongo Lunda Airport | Kinshasa | Congo (Democratic Republic of the) |
| KGO | Kirovograd Airport | Kherson | Ukraine |
| KGP | Kogalym International Airport | Kogalym | Russian Federation |
| KGR | Kulgera Airport | Alice Springs | Australia |
| KGS | Kos Island International Airport | Kos |  Greece |
| KGU | Keningau Airport | Kota Kinabalu | Malaysia |
| KGW | Kagi Airport | Port Moresby | Papua New Guinea |
| KGX | Grayling Airport | Grayling | United States of America |
| KGY | Kingaroy Airport | Sunshine Coast | Australia |
| KGZ | Glacier Creek Airport | Yakutat | United States of America |
| KHA | Khaneh Airport | Nazluy-ye Jonubi | Iran (Islamic Republic of) |
| KHC | Kerch Airport | Anapa | Russian Federation |
| KHD | Khorramabad Airport | Dezful | Iran (Islamic Republic of) |
| KHE | Kherson Airport | Kherson | Ukraine |
| KHG | Kashi Airport | Kashi | China |
| KHH | Kaoshiung International Airport | Kaohsiung |  Taiwan, Province of China |
| KHI | Quaid-e-azam International Airport | Karachi | Pakistan |
| KHJ | Kauhajoki Airport | Vaasa | Finland |
| KHK | Khark Island Airport | Bushehr | Iran (Islamic Republic of) |
| KHL | Khulna Airport | Jessore |  Bangladesh |
| KHM | Khamti Airport | Homalin | Myanmar |
| KHN | Nanchang Airport | Nanchang | China |
| KHO | Khoka Moya Airport | Londolozi |  South Africa |
| KHR | Kharkhorin Airport | Ulaanbaatar |  Mongolia |
| KHS | Khasab Airport | Khasab |  Oman |
| KHT | Khost Airport | Kabul | Afghanistan |
| KHU | Kremenchug Airport | Dnepropetrovsk | Ukraine |
| KHV | Khabarovsk Novy Airport | Khabarovsk | Russian Federation |
| KHW | Khwai River Lodge Airport | Maun |  Botswana |
| KHY | Khoy Airport | Nazluy-ye Jonubi | Iran (Islamic Republic of) |
| KHZ | Kauehi Airport | Kauehi |  French Polynesia |
| KIA | Kaiapit Airport | Lae | Papua New Guinea |
| KIB | SPB Airport | Port Moller | United States of America |
| KIC | Mesa Del Rey Airport | Monterey | United States of America |
| KID | Kristianstad Airport | Kristianstad |  Sweden |
| KIE | Aropa Airport | Rabaul | Papua New Guinea |
| KIF | Kingfisher Lake Airport | Angling Lake | Canada |
| KIG | Koinghaas Airport | Cape Town | South Africa |
| KIH | Kish Island Airport | Kish Island | Iran (Islamic Republic of) |
| KII | Kibuli | Daru | Papua New Guinea |
| KIJ | Niigata Airport | Niigata |  Japan |
| KIK | Kirkuk Airport | Erbil |  Iraq |
| KIL | Kilwa Airport | Kasama | Zambia |
| KIM | Kimberley Airport | Kimberley | South Africa |
| KIN | Norman Manley Airport | Kingston |  Jamaica |
| KIO | Kili Island Airport | Majuro | Marshall Islands |
| KIP | Kickapoo Airport | Wichita Falls | United States of America |
| KIQ | Kira Airport | Popondetta | Papua New Guinea |
| KIR | Kerry Airport | Kerry County |  Ireland |
| KIS | Kisumu Airport | Kisumu | Kenya |
| KIT | Kithira Airport | Kithira | Greece |
| KIU | Kiunga Airport | Malindi | Kenya |
| KIW | Southdowns Airport | Ndola | Zambia |
| KIX | Kansai International Airport | Osaka | Japan |
| KIY | Kilwa Airport | Kilwa Masoko |  Tanzania |
| KIZ | Kikinonda Airport | Popondetta | Papua New Guinea |
| KJA | Krasnojarsk Airport | Krasnojarsk | Russian Federation |
| KJK | Kortrijk Airport | Bruges |  Belgium |
| KJP | Kerama Airport | Okinawa | Japan |
| KJU | Kamiraba Airport | Rabaul | Papua New Guinea |
| KKA | Koyuk Airport | Koyuk | United States of America |
| KKB | Kitoi Bay Seaplane Base | Kitoi Bay | United States of America |
| KKC | Khon Kaen Airport | Khon Kaen | Thailand |
| KKD | Kokoda Airport | Popondetta | Papua New Guinea |
| KKE | Kerikeri/Bay of Islands Airport | Kerikeri | New Zealand |
| KKF | Kagvik Creek | Kivalina | United States of America |
| KKG | Konawaruk Airport | Georgetown | Guyana |
| KKH | Kongiganak Airport | Kongiganak | United States of America |
| KKI | Akiachak Airport | Akiachak | United States of America |
| KKJ | Kita Kyushu Airport | Kitakyushu | Japan |
| KKK | Kalakaket Creek Air Station | Galena | United States of America |
| KKL | Karluk Lake SPB Airport | Larsen Bay | United States of America |
| KKM | Lop Buri Airport | Bangkok | Thailand |
| KKN | Hoeybuktmoen Airport | Kirkenes |  Norway |
| KKO | Kaikohe Airport | Kerikeri | New Zealand |
| KKP | Koolburra Airport | Cooktown | Australia |
| KKR | Kaukura Atoll Airport | Kaukura Atoll | French Polynesia |
| KKT | Kentland Airport | Champaign | United States of America |
| KKU | Ekuk Airport | Dillingham | United States of America |
| KKW | Kikwit Airport | Kinshasa | Congo (Democratic Republic of the) |
| KKX | Kikaiga Shima Airport | Amami O Shima | Japan |
| KKY | Kilkenny Airport | Dublin | Ireland |
| KKZ | Koh Kong Airport | Sihanoukville |  Cambodia |
| KLB | Kalabo Airport | Kalabo | Zambia |
| KLC | Kaolack Airport | Dakar | Senegal |
| KLD | Migalovo Airport | Moscow | Russian Federation |
| KLE | Kaele Airport | Garoua | Cameroon |
| KLF | Kaluga Airport | Kaluga | Russian Federation |
| KLG | Kalskag Airport | Kalskag | United States of America |
| KLH | Kolhapur Airport | Belgaum | India |
| KLI | Kota Koli Airport | Kisangani | Congo (Democratic Republic of the) |
| KLK | Kalokol Airport | Lodwar | Kenya |
| KLL | Levelock Airport | King Salmon | United States of America |
| KLM | Kalaleh | Gorgon | Iran (Islamic Republic of) |
| KLN | Larsen Bay Airport | Larsen Bay | United States of America |
| KLO | Kalibo Airport | Kalibo |  Philippines |
| KLP | Kelp Bay Airport | Tenakee Springs | United States of America |
| KLQ | Keluang Airport | Palembang | Indonesia |
| KLR | Kalmar Airport | Kalmar | Sweden |
| KLS | Longview Airport | Portland | United States of America |
| KLT | Kaiserslautern Airport | Kaiserslautern | Germany |
| KLU | Klagenfurt Airport | Klagenfurt |  Austria |
| KLV | Karlovy Vary Airport | Karlovy Vary |  Czechia |
| KLW | Klawock Airport | Klawock | United States of America |
| KLX | Kalamata Airport | Kalamata | Greece |
| KLY | Kalima Airport | Goma | Congo (Democratic Republic of the) |
| KLZ | Kleinzee Airport | Upington | South Africa |
| KMA | Kerema Airport | Lae | Papua New Guinea |
| KMB | Koinambe Airport | Mount Hagen | Papua New Guinea |
| KMC | King Khalid Military Airport | Qaisumah |  Saudi Arabia |
| KMD | Mandji Airport | Libreville | Gabon |
| KME | Kamembe Airport | Kigali | Rwanda |
| KMF | Kamina Airport | Lae | Papua New Guinea |
| KMG | Kunming Airport | Kunming | China |
| KMH | Kuruman Airport | Sishen | South Africa |
| KMI | Miyazaki Airport | Miyazaki | Japan |
| KMJ | Kumamoto Airport | Kumamoto | Japan |
| KMK | Makabana Airport | Pointe Noire | Congo |
| KML | Kamileroi Airport | Cloncurry | Australia |
| KMM | Kimam Airport | Merauke | Indonesia |
| KMN | Kamina Airport | Solwezi | Papua New Guinea |
| KMO | Manokotak SPB Airport | Dillingham | United States of America |
| KMP | J.G.H. Van Der Wath Airport | Oranjemund | Namibia |
| KMQ | Komatsu Airport | Komatsu | Japan |
| KMR | Karimui Airport | Goroka | Papua New Guinea |
| KMS | Kumasi Airport | Kumasi |  Ghana |
| KMT | Kampot Airport | Sihanoukville | Cambodia |
| KMU | Kismayu Airport | Mogadishu |  Somalia |
| KMV | Kalemyo Airport | Kalemyo | Myanmar |
| KMW | Kostroma Airport | Ivanovo | Russian Federation |
| KMX | Khamis Mushait Airport | Abha | Saudi Arabia |
| KMY | Moser Bay Airport | Olga Bay | United States of America |
| KMZ | Kaoma Airport | Kalabo | Zambia |
| KNA | Vina del Mar Airport | Santiago |  Chile |
| KNB | Kanab Airport | Flagstaff | United States of America |
| KND | Kindu Airport | Kisangani | Congo (Democratic Republic of the) |
| KNE | Kanainj Airport | Mount Hagen | Papua New Guinea |
| KNF | Royal Air Force Marham | Cambridge |  United Kingdom of Great Britain and Northern Ireland |
| KNG | Kaimana Airport | Kaimana | Indonesia |
| KNH | Shang-Yi Airport | Kinmen | Taiwan, Province of China |
| KNI | Katanning Airport | Albany | Australia |
| KNJ | Kindamba Airport | Brazzaville | Congo |
| KNK | Kakhonak Airport | Kokhanok | United States of America |
| KNL | Kelanoa Airport | Lae | Papua New Guinea |
| KNM | Kaniama Airport | Lubumbashi | Congo (Democratic Republic of the) |
| KNN | Kankan Airport | Conakry |  Guinea |
| KNO | Knokke/Het Zoute Airport | Kuala Namu | Belgium |
| KNP | Capanda Airport | Luanda | Angola |
| KNQ | Kone Airport | Ouvea |  New Caledonia |
| KNR | Jam Airport | Ala'Marvdasht | Iran (Islamic Republic of) |
| KNS | King Island Airport | King Island | Australia |
| KNT | Kennett Memorial Airport | Jonesboro | United States of America |
| KNU | Kanpur Airport | Kanpur | India |
| KNV | Knights Inlet Airport | Kangiqsualujjuaq | Canada |
| KNW | New Stuyahok Airport | King Salmon | United States of America |
| KNX | Kununurra Airport | Kununurra | Australia |
| KNY | Kinoosao Airport | Flin Flon | Canada |
| KNZ | Kenieba Airport | Bamako |  Mali |
| KOA | Kona International Airport | Kailua-Kona | United States of America |
| KOB | Koutaba Airport | Douala | Cameroon |
| KOC | Koumac Airport | Ouvea | New Caledonia |
| KOD | Kotabangun Airport | Samarinda | Indonesia |
| KOE | Eltari Airport | Kupang | Indonesia |
| KOF | Komatipoort Airport | Skukuza | South Africa |
| KOG | Khong Airport | Pakse |  Lao People's Democratic Republic |
| KOH | Koolatah Airport | Karumba | Australia |
| KOI | Orkney Island Airport | Kirkwall | United Kingdom of Great Britain and Northern Ireland |
| KOJ | Kagoshima Airport | Kagoshima | Japan |
| KOK | Kruunupyy Airport | Kokkola/Pietarsaari | Finland |
| KOL | Koumala Airport | Bangui |  Central African Republic |
| KOM | Komo-Manda Airport | Tari | Papua New Guinea |
| KON | Kontum Airport | Pleiku |  Viet Nam |
| KOO | Kongolo Airport | Kalemie | Congo (Democratic Republic of the) |
| KOP | Nakhon Phanom Airport | Nakhon Phanom | Thailand |
| KOQ | Koethen Airport | Leipzig/Halle | Germany |
| KOR | Kokoro Airport | Lae | Papua New Guinea |
| KOS | Sihanoukville Airport | Sihanoukville | Cambodia |
| KOT | Kotlik Airport | Kotlik | United States of America |
| KOU | Koulamoutou Airport | Libreville | Gabon |
| KOV | Kokshetau Airport | Kokshetau | Kazakhstan |
| KOW | Ganzhou Huangjin Airport | Ganzhou | China |
| KOX | Kokonao Airport | Tembagapura | Indonesia |
| KOY | Olga Bay SPB | Olga Bay | United States of America |
| KOZ | Ouzinkie Airport | Ouzinkie | United States of America |
| KPA | Kopiago Airport | Tari | Papua New Guinea |
| KPB | Point Baker SPB Airport | Kake | United States of America |
| KPC | Port Clarence | Teller Mission | United States of America |
| KPD | King Of Prussia Airport | Philadelphia | United States of America |
| KPE | Yapsiei Airport | Tabubil | Papua New Guinea |
| KPF | Kondubol Airport | Daru | Papua New Guinea |
| KPG | Kurupung Airport | Georgetown | Guyana |
| KPH | Pauloff Harbor SPB | Cold Bay | United States of America |
| KPI | Kapit Airport | Sibu | Malaysia |
| KPK | Parks SPB Airport | King Salmon | United States of America |
| KPL | Kapal Airport | Daru | Papua New Guinea |
| KPM | Kompiam Airport | Wapenamanda | Papua New Guinea |
| KPN | Kipnuk SPB | Kipnuk | United States of America |
| KPO | Pohang Airport | Pohang | Korea (Republic of) |
| KPP | Kalpowar Airport | Cooktown | Australia |
| KPR | Port Williams Seaplane Base | Port Williams | United States of America |
| KPS | Kempsey Airport | Port Macquarie | Australia |
| KPT | Jackpot Airport | Twin Falls | United States of America |
| KPV | Perryville SPB Airport | Port Moller | United States of America |
| KPY | Port Bailey SPB | Port Bailey | United States of America |
| KQA | Akutan Airport | Dutch Harbor | United States of America |
| KQB | Koonibba Airport | Ceduna | Australia |
| KQL | Kol Airport | Mount Hagen | Papua New Guinea |
| KRA | Kerang Airport | Melbourne | Australia |
| KRB | Karumba Airport | Karumba | Australia |
| KRC | Kerinci Airport | Padang | Indonesia |
| KRD | Kurundi Airport | Alice Springs | Australia |
| KRE | Kirundo Airport | Bujumbura |  Burundi |
| KRF | Kramfors Airport | Kramfors | Sweden |
| KRG | Karasabai Airport | Georgetown | Guyana |
| KRI | Kikori Airport | Mendi | Papua New Guinea |
| KRJ | Karawari Airport | Wewak | Papua New Guinea |
| KRK | John Paul II Balice International Airport | Krakow |  Poland |
| KRL | Korla Airport | Korla | China |
| KRM | Karanambo Airport | Georgetown | Guyana |
| KRN | Kiruna Airport | Kiruna | Sweden |
| KRO | Kurgan Airport | Kurgan | Russian Federation |
| KRP | Karup Airport | Karup |  Denmark |
| KRQ | Kramatorsk Airport | Kharkov | Ukraine |
| KRR | Pashkovsky Airport | Krasnodar | Russian Federation |
| KRS | Kjevik Airport | Kristiansund | Norway |
| KRT | Khartoum International Airport | Khartoum |  Sudan |
| KRU | Kerau Airport | Port Moresby | Papua New Guinea |
| KRV | Kerio Valley Airport | Lodwar | Kenya |
| KRW | Turkmanbashi Airport | Turkmanbashi |  Turkmenistan |
| KRX | Kar Kar Airport | Madang | Papua New Guinea |
| KRY | Karamay Airport | Karamay | China |
| KRZ | Basango Mboliasa Airport | Kinshasa | Congo (Democratic Republic of the) |
| KSA | Kosrae Airport | Kosrae, Caroline Islands |  Micronesia (Federated States of) |
| KSB | Kasanombe Airport | Lae | Papua New Guinea |
| KSC | Barca Airport | Kosice |  Slovakia |
| KSD | Karlstad Airport | Karlstad | Sweden |
| KSE | Kasese Airport | Kasese | Uganda |
| KSF | Kassel-Calden Airport | Kassel | Germany |
| KSG | Kisengan Airport | Lae | Papua New Guinea |
| KSH | Kermanshah Airport | Kermanshah | Iran (Islamic Republic of) |
| KSI | Kissidougou Airport | Conakry | Guinea |
| KSJ | Kasos Island Airport | Kasos Island | Greece |
| KSK | Karlskoga Airport | Orebro | Sweden |
| KSL | Kassala Airport | Kassala | Sudan |
| KSM | Saint Marys Airport | Saint Mary's | United States of America |
| KSN | Kostanay Airport | Kostanay | Kazakhstan |
| KSO | Aristoteles Airport | Ioannina | Greece |
| KSP | Kosipe Airport | Port Moresby | Papua New Guinea |
| KSQ | Karshi Airport | Karshi |  Uzbekistan |
| KSR | Federal No 1 Airport | Port Moller | United States of America |
| KSS | Sikasso Airport | Bamako | Mali |
| KST | Kosti Airport | Khartoum | Sudan |
| KSU | Kvernberget Airport | Kristiansund | Norway |
| KSV | Springvale Airport | Winton | Australia |
| KSW | Kiryat Shmona Airport | Haifa |  Israel |
| KSX | Yasuru Airport | Lae | Papua New Guinea |
| KSY | Kars Airport | Kars | Turkey |
| KSZ | Kotlas Airport | Kotlas | Russian Federation |
| KTA | Karratha Airport | Karratha | Australia |
| KTB | Thorne Bay Airport | Hydaburg | United States of America |
| KTC | Katiola Airport | Korhogo | Cote d'Ivoire |
| KTD | Kitadaito Airport | Amami O Shima | Japan |
| KTE | Kerteh Airport | Kerteh | Malaysia |
| KTF | Takaka Airport | Nelson | New Zealand |
| KTG | Ketapang Airport | Ketapang | Indonesia |
| KTH | Tikchik Lodge Seaplane Base | Dillingham | United States of America |
| KTI | Kratie Airport | Phnom Penh | Cambodia |
| KTK | Kanua Airport | Rabaul | Papua New Guinea |
| KTL | Kitale Airport | Kitale | Kenya |
| KTM | Tribhuvan Airport | Kathmandu | Nepal |
| KTN | Ketchikan International Airport | Ketchikan | United States of America |
| KTO | Kato Airport | Georgetown | Guyana |
| KTP | Tinson | Kingston | Jamaica |
| KTQ | Kitee Airport | Joensuu | Finland |
| KTR | Tindal Airport | Darwin | Australia |
| KTS | Brevig Mission Airport | Teller Mission | United States of America |
| KTT | Kittila Airport | Kittila | Finland |
| KTU | Kota Airport | Jaipur | India |
| KTV | Kamarata Airport | Puerto Ordaz | Venezuela (Bolivarian Republic of) |
| KTW | Pyrzowice Airport | Katowice | Poland |
| KTX | Koutiala Airport | Bamako | Mali |
| KTY | Katukurunda Slaf Base Airport | Koggala | Sri Lanka |
| KTZ | Kwun Tong Airport | Hong Kong |  Hong Kong |
| KUA | Kuantan Airport | Kuantan | Malaysia |
| KUC | Kuria Airport | Tarawa |  Kiribati |
| KUD | Kudat Airport | Kudat | Malaysia |
| KUE | Kukundu Airport | Munda | Solomon Islands |
| KUF | Kurumoch Airport | Samara | Russian Federation |
| KUG | Kubin Island Airport | Horn Island | Australia |
| KUH | Kushiro Airport | Kushiro | Japan |
| KUI | Kawau Island Airport | Auckland | New Zealand |
| KUJ | Kushimoto Airport | Shirahama | Japan |
| KUK | Kasigluk Airport | Kasigluk | United States of America |
| KUL | Kuala Lumpur International Airport (klia) | Kuala Lumpur | Malaysia |
| KUM | Yakushima Airport | Yakushima | Japan |
| KUN | Kaunas Airport | Kaunas |  Lithuania |
| KUO | Kuopio Airport | Kuopio | Finland |
| KUP | Kupiano Airport | Port Moresby | Papua New Guinea |
| KUQ | Kuri Airport | Moro | Papua New Guinea |
| KUR | Kuran-O-Munjan Airport | Faizabad | Afghanistan |
| KUS | Kulusuk Airport | Kulusuk |  Greenland |
| KUT | Kopitnari Airport | Kutaisi |  Georgia |
| KUU | Kullu Manali Airport | Kulu | India |
| KUV | Gunsan Airport | Gunsan | Korea (Republic of) |
| KUW | Kugururok River Airport | Moro | Papua New Guinea |
| KUX | Kuyol | Tabubil | Papua New Guinea |
| KUY | Kamusi Airport | Larsen Bay | United States of America |
| KVA | Megas Alexandros International Airport | Kavala | Greece |
| KVB | Skovde Airport | Jonkoping | Sweden |
| KVC | King Cove Airport | Cold Bay | United States of America |
| KVD | Gyandzha Airport | Gyandzha |  Azerbaijan |
| KVE | Kitava Airport | Alotau | Papua New Guinea |
| KVG | Kavieng Airport | Kavieng | Papua New Guinea |
| KVK | Kirovsk Airport | Kirovsk | Russian Federation |
| KVL | Kivalina Airport | Kivalina | United States of America |
| KVU | Korolevu Airport | Nadi | Fiji |
| KVX | Kirov Airport | Kirov | Russian Federation |
| KWA | Kwajalein Airport | Kwajalein | Marshall Islands |
| KWB | Karimunjawa Airport | Semarang | Indonesia |
| KWD | Kawadjia Airport | Bangui | Central African Republic |
| KWE | Guiyang Airport | Guiyang | China |
| KWF | Waterfall SPB Airport | Klawock | United States of America |
| KWG | Krivoy Rog Airport | Kherson | Ukraine |
| KWH | Khwahan Airport | Faizabad | Afghanistan |
| KWI | Kuwait International Airport | Kuwait |  Kuwait |
| KWJ | Gwangju Airport | Gwangju | Korea (Republic of) |
| KWK | Kwigillingok Airport | Kwigillingok | United States of America |
| KWL | Guilin Airport | Guilin | China |
| KWM | Kowanyama Airport | Karumba | Australia |
| KWN | Kwinhagak Airport | Quinhagak | United States of America |
| KWO | Kawito Airport | Daru | Papua New Guinea |
| KWP | West Point Village Seaplane Base | West Point | United States of America |
| KWR | Kwai Harbour Airport | Honiara | Solomon Islands |
| KWT | Kwethluk Airport | Kwethluk | United States of America |
| KWU | Mansion House Airport | Auckland | New Zealand |
| KWV | Kurwina Airport | Rabaul | Papua New Guinea |
| KWX | Kiwai Island Airport | Daru | Papua New Guinea |
| KWY | Kiwayu Airport | Malindi | Kenya |
| KWZ | Kolwezi Airport | Lubumbashi | Congo (Democratic Republic of the) |
| KXA | Kasaan SPB Airport | Hydaburg | United States of America |
| KXE | Klerksdorp Airport | Sun City | South Africa |
| KXF | Koro Island Airport | Savusavu | Fiji |
| KXK | Komsomolsk Na Amure Airport | Komsomolsk Na Amure | Russian Federation |
| KXR | Karoola Airport | Rabaul | Papua New Guinea |
| KXU | Katiu Airport | Kauehi | French Polynesia |
| KYA | Konya Airport | Konya | Turkey |
| KYB | Yangoonabie Airport | Ceduna | Australia |
| KYD | Orchid Island Airport | Taitung City | Taiwan, Province of China |
| KYE | Rene Mouawad Air Base (Kleyate Airport) | Beirut |  Lebanon |
| KYF | Yeelirrie Airport | Kalgoorlie | Australia |
| KYI | Yalata Mission Airport | Ceduna | Australia |
| KYK | Karluk Airport | Larsen Bay | United States of America |
| KYL | Port Largo Airport | Miami | United States of America |
| KYN | Milton Keynes | Milton Keynes | United Kingdom of Great Britain and Northern Ireland |
| KYO | Tampa North Aero Park | Tampa | United States of America |
| KYP | Kyaukpyu Airport | Kyaukpyu | Myanmar |
| KYS | Kayes Airport | Bamako | Mali |
| KYT | Kyauktaw Airport | Nyaung-u | Myanmar |
| KYU | Koyukuk Airport | Koyukuk | United States of America |
| KYX | Yalumet Airport | Lae | Papua New Guinea |
| KYZ | Kyzyl Airport | Kyzyl | Russian Federation |
| KZB | Zachar Bay SPB | Zachar Bay | United States of America |
| KZC | Kompong-Chhna Airport | Phnom Penh | Cambodia |
| KZD | Krakor Airport | Siem Reap | Cambodia |
| KZF | Kaintiba Airport | Lae | Papua New Guinea |
| KZG | Kitzingen Airport | Nuremberg | Germany |
| KZH | Kizhuyak Airport | Port Bailey | United States of America |
| KZI | Philippos Airport | Thessaloniki | Greece |
| KZK | Kompong Thom Airport | Phnom Penh | Cambodia |
| KZN | Kazan Airport | Kazan | Russian Federation |
| KZO | Kzyl-Orda Airport | Kzyl-Orda | Kazakhstan |
| KZS | Kastelorizo Airport | Kastellorizo | Greece |