| Code Name | City Name | Airport Name | Airport Country |
| KMM | Kimam | Kimam | Indonesia |
| KMN | Kamina | Kamina | Congo (DRC) |
| KMO | Manokotak | Manokotak SPB | USA, AK |
| KMP | Keetmanshoop | J.G.H. Van Der Wath | Namibia |
| KMQ | Komatsu | Komatsu | Japan |
| KMR | Karimui | Karimui | Papua New Guinea |
| KMS | Kumasi | Kumasi | Ghana |
| KMT | Kampot | Kampot | Cambodia |
| KMU | Kismayu | Kismayu | Somalia |
| KMV | Kalemyo | Kalemyo | Myanmar |
| KMW | Kostroma | Kostroma | Russia |
| KMX | Khamis Mushait | Khamis Mushait | Saudi Arabia |
| KMY | Moser Bay | Moser Bay | USA, AK |
| KMZ | Kaoma | Kaoma | Zambia |
| KNA | Vina del Mar | Vina del Mar | Chile |
| KNB | Kanab | Kanab | USA, UT |
| KNC | Ji'An | Ji'An | PR China |
| KND | Kindu | Kindu | Congo (DRC) |
| KNE | Kanainj | Kanainj | Papua New Guinea |
| KNF | Kings Lynn | Marham RAF | United Kingdom |
| KNG | Kaimana | Kaimana | Indonesia |
| KNH | Kinmen | Shang-Yi | Taiwan |
| KNI | Katanning | Katanning | Australia |
| KNJ | Kindamba | Kindamba | Congo (ROC) |
| KNK | Kakhonak | Kakhonak | USA, AK |
| KNL | Kelanoa | Kelanoa | Papua New Guinea |
| KNM | Kaniama | Kaniama | Congo (DRC) |
| KNN | Kankan | Kankan | Guinea |
| KNO | Knokke/Het Zoute | Knokke/Het Zoute | Belgium |
| KNP | Capanda | Capanda | Angola |
| KNQ | Kone | Kone | New Caledonia |
| KNR | Kangan | Jam | Iran |
| KNS | King Island | King Island | Australia |
| KNT | Kennett | Municipal | USA, MO |
| KNU | Kanpur | Kanpur | India |
| KNV | Knights Inlet | Knights Inlet | Canada |
| KNW | New Stuyahok | New Stuyahok | USA, AK |
| KNX | Kununurra | Kununurra | Australia |
| KNY | Kinoosao | Kinoosao | Canada |
| KNZ | Kenieba | Kenieba | Mali |
| KOA | Kona | Keahole | USA, HI |
| KOB | Koutaba | Koutaba | Cameroon |
| KOC | Koumac | Koumac | New Caledonia |
| KOD | Kotabangun | Kotabangun | Indonesia |
| KOE | Kupang | Eltari | Indonesia |
| KOF | Komatipoort | Komatipoort | South Africa |
| KOG | Khong | Khong | Lao PDR |
| KOH | Koolatah | Koolatah | Australia |
| KOI | Kirkwall (Orkney Is) | Kirkwall Airport | United Kingdom |
| KOJ | Kagoshima | Kagoshima Airport | Japan |
| KOK | Kokkola/Pietarsaari | Kruunupyy | Finland |
| KOL | Koumala | Koumala | Central African Republic |
| KOM | Komo-Manda | Komo-Manda | Papua New Guinea |
| KON | Kontum | Kontum | Viet Nam |
| KOO | Kongolo | Kongolo | Congo (DRC) |
| KOP | Nakhon Phanom | Nakhon Phanom | Thailand |
| KOQ | Koethen | Koethen | Germany |
| KOR | Kokoro | Kokoro | Papua New Guinea |
| KOS | Sihanoukville | Sihanoukville | Cambodia |
| KOT | Kotlik | Kotlik | USA, AK |
| KOU | Koulamoutou | Koulamoutou | Gabon |
| KOV | Kokshetau | Kokshetau | Kazakhstan |
| KOW | Ganzhou | Ganzhou | PR China |
| KOX | Kokonao | Kokonao | Indonesia |
| KOY | Olga Bay | Olga Bay SPB | USA, AK |
| KOZ | Ouzinkie | Ouzinkie SPB | USA, AK |
| KPA | Kopiago | Kopiago | Papua New Guinea |
| KPB | Point Baker | Point Baker SPB | USA, AK |
| KPC | Port Clarence | Port Clarence | USA, AK |
| KPD | King Of Prussia | King Of Prussia | USA, PA |
| KPE | Yapsiei | Yapsiei | Papua New Guinea |
| KPF | Kondubol | Kondubol | Papua New Guinea |
| KPG | Kurupung | Kurupung | Guyana |
| KPH | Pauloff Harbor | Pauloff Harbor SPB | USA, AK |
| KPI | Kapit | Kapit | Malaysia |
| KPK | Parks | Parks SPB | USA, AK |
| KPL | Kapal | Kapal | Papua New Guinea |
| KPM | Kompiam | Kompiam | Papua New Guinea |
| KPN | Kipnuk | Kipnuk SPB | USA, AK |
| KPO | Pohang | Pohang | South Korea |
| KPP | Kalpowar | Kalpowar | Australia |
| KPR | Port Williams | Port Williams SPB | USA, AK |
| KPS | Kempsey | Kempsey | Australia |
| KPT | Jackpot | Jackpot | USA, NV |
| KPV | Perryville | Perryville SPB | USA, AK |
| KPY | Port Bailey | Port Bailey SPB | USA, AK |
| KQA | Akutan | Akutan | USA, AK |
| KQB | Koonibba | Koonibba | Australia |
| KQL | Kol | Kol | Papua New Guinea |
| KRA | Kerang | Kerang | Australia |
| KRB | Karumba | Karumba | Australia |
| KRC | Kerinci | Kerinci | Indonesia |
| KRD | Kurundi | Kurundi | Australia |
| KRE | Kirundo | Kirundo | Burundi |
| KRF | Kramfors | Kramfors | Sweden |
| KRG | Karasabai | Karasabai | Guyana |
| KRI | Kikori | Kikori | Papua New Guinea |
| KRJ | Karawari | Karawari | Papua New Guinea |
| KRK | Krakow | J. Paul II Balice International | Poland |
| KRL | Korla | Korla | PR China |
| KRM | Karanambo | Karanambo | Guyana |
| KRN | Kiruna | Kiruna | Sweden |
| KRO | Kurgan | Kurgan | Russia |
| KRP | Karup | Karup | Denmark |
| KRQ | Kramatorsk | Kramatorsk | Ukraine |
| KRR | Krasnodar | Krasnodar | Russia |
| KRS | Kristiansand | Kjevik | Norway |
| KRT | Khartoum | Civil | Sudan |
| KRU | Kerau | Kerau | Papua New Guinea |
| KRV | Kerio Valley | Kerio Valley | Kenya |
| KRW | Turkmenbashi | Turkmanbashi | Turkmenistan |
| KRX | Kar Kar | Kar Kar | Papua New Guinea |
| KRY | Karamay | Karamay | PR China |
| KRZ | Kiri | Kiri | Congo (DRC) |
| KSA | Kosrae | Kosrae | Micronesia |
| KSB | Kasanombe | Kasanombe | Papua New Guinea |
| KSC | Kosice | Barca | Slovakia |
| KSD | Karlstad | Karlstad | Sweden |
| KSE | Kasese | Kasese | Uganda |
| KSF | Kassel | Kassel-Calden | Germany |
| KSG | Kisengan | Kisengan | Papua New Guinea |
| KSH | Kermanshah | Kermanshah | Iran |
| KSI | Kissidougou | Kissidougou | Guinea |
| KSJ | Kasos Island | Kasos Island | Greece |
| KSK | Karlskoga | Karlskoga | Sweden |
| KSL | Kassala | Kassala | Sudan |
| KSM | Saint Marys | Saint Marys | USA, AK |
| KSN | Kostanay | Kostanay | Kazakhstan |
| KSO | Kastoria | Aristoteles Airport | Greece |
| KSP | Kosipe | Kosipe | Papua New Guinea |
| KSQ | Karshi | Karshi | Uzbekistan |
| KSR | Sandy River | Federal No 1 | USA, AK |
| KSS | Sikasso | Sikasso | Mali |
| KST | Kosti | Kosti | Sudan |
| KSU | Kristiansund | Kvernberget | Norway |
| KSV | Springvale | Springvale | Australia |
| KSW | Kiryat Shmona | Kiryat Shmona | Israel |
| KSX | Yasuru | Yasuru | Papua New Guinea |
| KSY | Kars | Kars | Turkey |
| KSZ | Kotlas | Kotlas | Russia |
| KTA | Karratha | Karratha | Australia |
| KTB | Thorne Bay | Thorne Bay | USA, AK |
| KTC | Katiola | Katiola | Cote d'Ivoire |
| KTD | Kitadaito | Kitadaito | Japan |
| KTE | Kerteh | Kerteh | Malaysia |
| KTF | Takaka | Takaka | New Zealand |
| KTG | Ketapang | Ketapang | Indonesia |
| KTH | Tikchik | SPB | USA, AK |
| KTI | Kratie | Kratie | Cambodia |
| KTK | Kanua | Kanua | Papua New Guinea |
| KTL | Kitale | Kitale | Kenya |
| KTM | Kathmandu | Tribhuvan | Nepal |
| KTN | Ketchikan | International | USA, AK |
| KTO | Kato | Kato | Guyana |
| KTP | Kingston | Tinson | Jamaica |
| KTQ | Kitee | Kitee | Finland |
| KTR | Katherine | Tindal | Australia |
| KTS | Teller Mission | Brevig Mission | USA, AK |
| KTT | Kittila | Kittila | Finland |
| KTU | Kota | Kota | India |
| KTV | Kamarata | Kamarata | Venezuela |
| KTW | Katowice | Pyrzowice | Poland |
| KTX | Koutiala | Koutiala | Mali |
| KTZ | Kwun Tong | Kwun Tong | Hong Kong, PR China |
| KUA | Kuantan | Kuantan | Malaysia |
| KUC | Kuria | Kuria | Kiribati |
| KUD | Kudat | Kudat | Malaysia |
| KUE | Kukundu | Kukundu | Solomon Islands |
| KUF | Samara | Samara | Russia |
| KUG | Kubin Island | Kubin Island | Australia |
| KUH | Kushiro | Kushiro | Japan |
| KUI | Kawau Island | Kawau Island | New Zealand |
| KUJ | Kushimoto | Kushimoto | Japan |
| KUK | Kasigluk | Kasigluk | USA, AK |
| KUL | Kuala Lumpur | Kuala Lumpur International | Malaysia |
| KUM | Yakushima | Yakushima | Japan |
| KUN | Kaunas | Kaunas | Lithuania |
| KUO | Kuopio | Kuopio | Finland |
| KUP | Kupiano | Kupiano | Papua New Guinea |
| KUQ | Kuri | Kuri | Papua New Guinea |
| KUR | Kuran-O-Munjan | Kuran-O-Munjan | Afghanistan |
| KUS | Kulusuk | Kulusuk | Greenland |
| KUT | Kutaisi | Kutaisi | Georgia |
| KUU | Kulu | Bhuntar | India |
| KUV | Kunsan | Kunsan | South Korea |
| KUW | Kugururok River | Kugururok River | USA, AK |
| KUX | Kuyol | Kuyol | Papua New Guinea |
| KUY | Kamusi | Kamusi Airport | Papua New Guinea |
| KUZ | Kusan | Airbase | South Korea |
| KVA | Kavala | Megas Alexandros Airport | Greece |
| KVB | Skovde | Skovde | Sweden |
| KVC | King Cove | King Cove | USA, AK |
| KVD | Gyandzha | Gyandzha | Azerbaijan |
| KVE | Kitava | Kitava | Papua New Guinea |
| KVG | Kavieng | Kavieng | Papua New Guinea |
| KVK | Kirovsk | Kirovsk | Russia |
| KVL | Kivalina | Kivalina | USA, AK |
| KVU | Korolevu | Korolevu | Fiji |
| KVX | Kirov | Kirov | Russia |
| KWA | Kwajalein | Kwajalein | Marshall Islands |
| KWB | Karimunjawa | Karimunjawa | Indonesia |
| KWD | Kawadjia | Kawadjia | Central African Republic |
| KWE | Guiyang | Guiyang | PR China |
| KWF | Waterfall | Waterfall SPB | USA, AK |
| KWG | Krivoy Rog | Krivoy Rog | Ukraine |
| KWH | Khwahan | Khwahan | Afghanistan |
| KWI | Kuwait | International | Kuwait |
| KWJ | Kwangju | Kwangju | South Korea |
| KWK | Kwigillingok | Kwigillingok | USA, AK |
| KWL | Guilin | Guilin | PR China |
| KWM | Kowanyama | Kowanyama | Australia |
| KWN | Quinhagak | Kwinhagak | USA, AK |
| KWO | Kawito | Kawito | Papua New Guinea |
| KWP | West Point | Village SPB | USA, AK |
| KWR | Kwai Harbour | Kwai Harbour | Solomon Islands |
| KWS | Kwailabesi | Kwailabesi Aerodrom | Solomon Islands |
| KWT | Kwethluk | Kwethluk | USA, AK |
| KWU | Mansion House | Mansion House | New Zealand |
| KWV | Kurwina | Kurwina | Papua New Guinea |
| KWX | Kiwai Island | Kiwai Island | Papua New Guinea |
| KWY | Kiwayu | Kiwayu | Kenya |
| KWZ | Kolwezi | Kolwezi | Congo (DRC) |
| KXA | Kasaan | Kasaan SPB | USA, AK |
| KXE | Klerksdorp | Klerksdorp | South Africa |
| KXF | Koro Island | Koro Island | Fiji |
| KXK | Komsomolsk Na Amure | Komsomolsk Na Amure | Russia |
| KXR | Karoola | Karoola | Papua New Guinea |
| KYA | Konya | Konya | Turkey |
| KYB | Yangoonabie | Yangoonabie | Australia |
| KYD | Orchid Island | Orchid Island | Taiwan |
| KYE | Tripoli | Kleyate | Lebanon |
| KYF | Yeelirrie | Yeelirrie | Australia |
| KYI | Yalata Mission | Yalata Mission | Australia |
| KYK | Karluk | Karluk | USA, AK |
| KYL | Key Largo | Port Largo | USA, FL |
| KYN | Milton Keynes | Milton Keynes | United Kingdom |
| KYO | Tampa | Topp Of Tampa | USA, FL |
| KYP | Kyaukpyu | Kyaukpyu | Myanmar |
| KYS | Kayes | Kayes | Mali |
| KYT | Kyauktaw | Kyauktaw | Myanmar |
| KYU | Koyukuk | Koyukuk | USA, AK |
| KYX | Yalumet | Yalumet | Papua New Guinea |
| KYZ | Kyzyl | Kyzyl | Russia |
| KZB | Zachar Bay | Zachar Bay SPB | USA, AK |
| KZC | Kompong-Chhna | Kompong-Chhna | Cambodia |
| KZD | Krakor | Krakor | Cambodia |
| KZF | Kaintiba | Kaintiba | Papua New Guinea |
| KZG | Kitzingen | Kitzingen | Germany |
| KZH | Kizhuyak | Kizhuyak | USA, AK |
| KZI | Kozani | Philippos Airport | Greece |
| KZK | Kompong Thom | Kompong Thom | Cambodia |
| KZN | Kazan | Kazan | Russia |
| KZO | Kzyl-Orda | Kzyl-Orda | Kazakhstan |
| KZS | Kastelorizo | Kastelorizo | Greece |