| Code Name | City Name | Airport Name | Airport Country |
| KAA | Kasama | Kasama | Zambia |
| KAB | Kariba | Kariba | Zimbabwe |
| KAC | Kameshli | Kameshli | Syria |
| KAD | Kaduna | Kaduna | Nigeria |
| KAE | Kake | SPB | USA, AK |
| KAF | Karato | Karato | Papua New Guinea |
| KAG | Kangnung | Kangnung | South Korea |
| KAH | Melbourne | City Heliport | Australia |
| KAI | Kaieteur | Kaieteur | Guyana |
| KAJ | Kajaani | Kajaani | Finland |
| KAK | Kar | Kar | Papua New Guinea |
| KAL | Kaltag | Kaltag | USA, AK |
| KAM | Kamaran Is | Kamaran Is | Yemen |
| KAN | Kano | Aminu Kano International Apt | Nigeria |
| KAO | Kuusamo | Kuusamo | Finland |
| KAP | Kapanga | Kapanga | Congo (DRC) |
| KAQ | Kamulai | Kamulai | Papua New Guinea |
| KAR | Kamarang | Kamarang | Guyana |
| KAS | Karasburg | Karasburg | Namibia |
| KAT | Kaitaia | Kaitaia | New Zealand |
| KAU | Kauhava | Kauhava | Finland |
| KAV | Kavanayen | Kavanayen | Venezuela |
| KAW | Kawthaung | Kawthaung | Myanmar |
| KAX | Kalbarri | Kalbarri | Australia |
| KAY | Wakaya Island | Wakaya Island | Fiji |
| KAZ | Kau | Kau | Indonesia |
| KBA | Kabala | Kabala | Sierra Leone |
| KBB | Kirkimbie | Kirkimbie | Australia |
| KBC | Birch Creek | Birch Creek | USA, AK |
| KBD | Kimberley Downs | Kimberley Downs | Australia |
| KBE | Bell Island | Hot Springs SPB | USA, AK |
| KBF | Karubaga | Karubaga | Indonesia |
| KBG | Kabalega Falls | Kabalega Falls | Uganda |
| KBH | Kalat | Kalat | Pakistan |
| KBI | Kribi | Kribi | Cameroon |
| KBJ | Kings Canyon | King Canyon | Australia |
| KBK | Klag Bay | Klag Bay | USA, AK |
| KBL | Kabul | Khwaja Rawash | Afghanistan |
| KBM | Kabwum | Kabwum | Papua New Guinea |
| KBN | Kabinda | Kabinda | Congo (DRC) |
| KBO | Kabalo | Kabalo | Congo (DRC) |
| KBP | Kiev | Borispol | Ukraine |
| KBQ | Kasungu | Kasungu | Malawi |
| KBR | Kota Bharu | Pengkalan Chepa | Malaysia |
| KBS | Bo | Bo | Sierra Leone |
| KBT | Kaben | Kaben | Marshall Islands |
| KBU | Kotabaru | Kotabaru | Indonesia |
| KBV | Krabi | Krabi | Thailand |
| KBW | Chignik | Chignik Bay | USA, AK |
| KBX | Kambuaya | Kambuaya | Indonesia |
| KBY | Streaky Bay | Streaky Bay | Australia |
| KBZ | Kaikoura | Kaikoura | New Zealand |
| KCA | Kuqa | Kuqa | PR China |
| KCB | Kasikasima | Tepoe Airstrip | Suriname |
| KCC | Coffman Cove | Coffman Cove SPB | USA, AK |
| KCD | Kamur | Kamur | Indonesia |
| KCE | Collinsville | Collinsville | Australia |
| KCF | Kadanwari | Kadanwari | Pakistan |
| KCG | Chignik | Fisheries | USA, AK |
| KCH | Kuching | Kuching | Malaysia |
| KCI | Kon | Kon | Indonesia |
| KCJ | Komaio | Komaio | Papua New Guinea |
| KCK | Kansas City | Fairfax Municipal | USA, KS |
| KCL | Chignik | Lagoon | USA, AK |
| KCM | Kahramanmaras | Kahramanmaras | Turkey |
| KCN | Chernofski | SPB | USA, AK |
| KCO | Kocaeli | Cengiz Topel | Turkey |
| KCP | Kamenets-Podolskiy | Kamenets-Podolskiy | Ukraine |
| KCQ | Chignik | Chignik | USA, AK |
| KCR | Colorado Creek | Colorado Creek | USA, AK |
| KCS | Kings Creek Station | Kings Creek Station | Australia |
| KCU | Masindi | Masindi | Uganda |
| KCZ | Kochi | Kochi | Japan |
| KDA | Kolda | Kolda | Senegal |
| KDB | Kambalda | Kambalda | Australia |
| KDC | Kandi | Kandi | Benin |
| KDD | Khuzdar | Khuzdar | Pakistan |
| KDE | Koroba | Koroba | Papua New Guinea |
| KDF | Kouba | Kouba | Algeria |
| KDG | Kardjali | Kardjali | Bulgaria |
| KDH | Kandahar | Kandahar | Afghanistan |
| KDI | Kendari | Wolter Monginsidi | Indonesia |
| KDJ | N'Djole | N'Djole | Gabon |
| KDK | Kodiak | Municipal | USA, AK |
| KDL | Kardla | Kardla | Estonia |
| KDM | Kaadedhdhoo | Kaadedhdhoo | Maldives |
| KDN | Ndende | Ndende | Gabon |
| KDO | Kadhdhoo | Kadhdhoo | Maldives |
| KDP | Kandep | Kandep | Papua New Guinea |
| KDQ | Kamberatoro | Kamberatoro | Papua New Guinea |
| KDR | Kandrian | Kandrian | Papua New Guinea |
| KDS | Kamaran Downs | Kamaran Downs | Australia |
| KDU | Skardu | Skardu | Pakistan |
| KDV | Kandavu | Kandavu | Fiji |
| KEA | Keisah | Keisah | Indonesia |
| KEB | Nanwalek | Nanwalek | USA, AK |
| KEC | Kasenga | Kasenga | Congo (DRC) |
| KED | Kaedi | Kaedi | Mauritania |
| KEE | Kelle | Kelle | Congo (ROC) |
| KEF | Reykjavik | Keflavik International | Iceland |
| KEG | Keglsugl | Keglsugl | Papua New Guinea |
| KEH | Kenmore Air Harbor | Kenmore Air Harbor | USA, WA |
| KEI | Kepi | Kepi | Indonesia |
| KEJ | Kemerovo | Kemerovo | Russia |
| KEK | Ekwok | Ekwok | USA, AK |
| KEL | Kiel | Holtenau | Germany |
| KEM | Kemi/Tornio | Kemi/Tornio | Finland |
| KEN | Kenema | Kenema | Sierra Leone |
| KEO | Odienne | Odienne | Cote d'Ivoire |
| KEP | Nepalganj | Nepalganj | Nepal |
| KEQ | Kebar | Kebar | Indonesia |
| KER | Kerman | Kerman | Iran |
| KES | Kelsey | Kelsey | Canada |
| KET | Keng Tung | Keng Tung | Myanmar |
| KEU | Kelly Bar | Kelly Bar | USA, AK |
| KEV | Kuorevesi | Halli | Finland |
| KEW | Keewaywin | Keewaywin | Canada |
| KEX | Kanabea | Kanabea | Papua New Guinea |
| KEY | Kericho | Kericho | Kenya |
| KFA | Kiffa | Kiffa | Mauritania |
| KFG | Kalkurung | Kalkurung | Australia |
| KFP | False Pass | False Pass | USA, AK |
| KFS | Kastamonu | Kastamonu | Turkey |
| KGA | Kananga | Kananga | Congo (DRC) |
| KGB | Konge | Konge | Papua New Guinea |
| KGC | Kingscote | Kingscote | Australia |
| KGD | Kaliningrad | Kaliningrad | Russia |
| KGE | Kagau | Kagau | Solomon Islands |
| KGF | Karaganda | Karaganda | Kazakhstan |
| KGG | Kedougou | Kedougou | Senegal |
| KGH | Yongai | Yongai | Papua New Guinea |
| KGI | Kalgoorlie | Kalgoorlie | Australia |
| KGJ | Karonga | Karonga | Malawi |
| KGK | New Koliganek | New Koliganek | USA, AK |
| KGL | Kigali | Gregoire Kayibanda | Rwanda |
| KGM | Kungum | Kungum | Papua New Guinea |
| KGN | Kasongo Lunda | Kasongo Lunda | Congo (DRC) |
| KGO | Kirovograd | Kirovograd | Ukraine |
| KGP | Kogalym | Kogalym International | Russia |
| KGR | Kulgera | Kulgera | Australia |
| KGS | Kos | Kos | Greece |
| KGU | Keningau | Keningau | Malaysia |
| KGW | Kagi | Kagi | Papua New Guinea |
| KGX | Grayling | Grayling | USA, AK |
| KGY | Kingaroy | Kingaroy | Australia |
| KGZ | Glacier Creek | Glacier Creek | USA, AK |
| KHA | Khaneh | Khaneh | Iran |
| KHC | Kerch | Kerch | Ukraine |
| KHD | Khorramabad | Khorramabad | Iran |
| KHE | Kherson | Kherson | Ukraine |
| KHG | Kashi | Kashi | PR China |
| KHH | Kaohsiung | International | Taiwan |
| KHI | Karachi | Quaid-E-Azam International | Pakistan |
| KHJ | Kauhajoki | Kauhajoki | Finland |
| KHK | Khark Island | Khark Island | Iran |
| KHL | Khulna | Khulna | Bangladesh |
| KHM | Khamti | Khamti | Myanmar |
| KHN | Nanchang | Nanchang | PR China |
| KHO | Khoka Moya | Khoka Moya | South Africa |
| KHR | Kharkhorin | Kharkhorin | Mongolia |
| KHS | Khasab | Khasab | Oman |
| KHT | Khost | Khost | Afghanistan |
| KHU | Kremenchug | Kremenchug | Ukraine |
| KHV | Khabarovsk | Novyy | Russia |
| KHW | Khwai River Lodge | Khwai River Lodge | Botswana |
| KHZ | Kauehi | Kauehi | French Polynesia |
| KIA | Kaiapit | Kaiapit | Papua New Guinea |
| KIB | Ivanof Bay | SPB | USA, AK |
| KIC | King City | Mesa Del Rey | USA, CA |
| KID | Kristianstad | Kristianstad | Sweden |
| KIE | Kieta | Aropa | Papua New Guinea |
| KIF | Kingfisher Lake | Kingfisher Lake | Canada |
| KIG | Koinghaas | Koinghaas | South Africa |
| KIH | Kish Island | Kish Island | Iran |
| KII | Kibuli | Kibuli | Papua New Guinea |
| KIJ | Niigata | Niigata | Japan |
| KIK | Kirkuk | Kirkuk | Iraq |
| KIL | Kilwa | Kilwa | Congo (DRC) |
| KIM | Kimberley | Kimberley | South Africa |
| KIN | Kingston | Norman Manley | Jamaica |
| KIO | Kili Island | Kili Island | Marshall Islands |
| KIP | Wichita Falls | Kickapoo | USA, TX |
| KIQ | Kira | Kira | Papua New Guinea |
| KIR | Kerry County | Kerry County Airport | Ireland |
| KIS | Kisumu | Kisumu | Kenya |
| KIT | Kithira | Kithira | Greece |
| KIU | Kiunga | Kiunga | Kenya |
| KIV | Chisinau | Chisinau | Moldova |
| KIW | Kitwe | Southdowns | Zambia |
| KIX | Osaka | Kansai International | Japan |
| KIY | Kilwa | Kilwa | Tanzania |
| KIZ | Kikinonda | Kikinonda | Papua New Guinea |
| KJA | Krasnojarsk | Krasnojarsk | Russia |
| KJK | Kortrijk | Kortrijk | Belgium |
| KJP | Kerama | Kerama | Japan |
| KJU | Kamiraba | Kamiraba | Papua New Guinea |
| KKA | Koyuk | Koyuk | USA, AK |
| KKB | Kitoi Bay | SPB | USA, AK |
| KKC | Khon Kaen | Khon Kaen | Thailand |
| KKD | Kokoda | Kokoda | Papua New Guinea |
| KKE | Kerikeri | Kerikeri | New Zealand |
| KKF | Kagvik Creek | Kagvik Creek | USA, AK |
| KKG | Konawaruk | Konawaruk | Guyana |
| KKH | Kongiganak | Kongiganak | USA, AK |
| KKI | Akiachak | Spb | USA, AK |
| KKJ | Kita Kyushu | Kokura | Japan |
| KKK | Kalakaket | Kalakaket AFS | USA, AK |
| KKL | Karluk Lake | Karluk Lake SPB | USA, AK |
| KKM | Lop Buri | Lop Buri | Thailand |
| KKN | Kirkenes | Hoeybuktmoen | Norway |
| KKO | Kaikohe | Kaikohe | New Zealand |
| KKP | Koolburra | Koolburra | Australia |
| KKR | Kaukura Atoll | Kaukura Atoll | French Polynesia |
| KKT | Kentland | Kentland | USA, IN |
| KKU | Ekuk | Ekuk | USA, AK |
| KKW | Kikwit | Kikwit | Congo (DRC) |
| KKX | Kikaiga Shima | Kikaiga Shima | Japan |
| KKY | Kilkenny | Kilkenny | Ireland |
| KKZ | Koh Kong | Koh Kong | Cambodia |
| KLA | Kampala | Off-line Pt | Uganda |
| KLB | Kalabo | Kalabo | Zambia |
| KLC | Kaolack | Kaolack | Senegal |
| KLD | Kalinin | Migalovo | Russia |
| KLE | Kaele | Kaele | Cameroon |
| KLF | Kaluga | Kaluga | Russia |
| KLG | Kalskag | Municipal | USA, AK |
| KLH | Kolhapur | Kolhapur | India |
| KLI | Kota Koli | Kota Koli | Congo (DRC) |
| KLJ | Klaipeda | Klaipeda | Lithuania |
| KLK | Kalokol | Kalokol | Kenya |
| KLL | Levelock | Levelock | USA, AK |
| KLN | Larsen Bay | Larsen SPB | USA, AK |
| KLO | Kalibo | Kalibo | Philippines |
| KLP | Kelp Bay | Kelp Bay | USA, AK |
| KLQ | Keluang | Keluang | Indonesia |
| KLR | Kalmar | Kalmar | Sweden |
| KLS | Kelso | Longview | USA, WA |
| KLT | Kaiserslautern | Kaiserslautern | Germany |
| KLU | Klagenfurt | Klagenfurt | Austria |
| KLV | Karlovy Vary | Karlovy Vary | Czech Republic |
| KLW | Klawock | Klawock | USA, AK |
| KLX | Kalamata | Kalamata | Greece |
| KLY | Kalima | Kalima | Congo (DRC) |
| KLZ | Kleinzee | Kleinzee | South Africa |
| KMA | Kerema | Kerema | Papua New Guinea |
| KMB | Koinambe | Koinambe | Papua New Guinea |
| KMC | King Khalid Mil. City | King Khalid Military | Saudi Arabia |
| KMD | Mandji | Mandji | Gabon |
| KME | Kamembe | Kamembe | Rwanda |
| KMF | Kamina | Kamina | Papua New Guinea |
| KMG | Kunming | Kunming | PR China |
| KMH | Kuruman | Kuruman | South Africa |
| KMI | Miyazaki | Miyazaki | Japan |
| KMJ | Kumamoto | Kumamoto | Japan |
| KMK | Makabana | Makabana | Congo (ROC) |
| KML | Kamileroi | Kamileroi | Australia |