| City/Airport Name | Country | Airport Code | |
| KABALA | Sierra Leone | KBA | |
| KABEN | Marshall Islands | KBT | |
| KABRE DARE MIL. | Ethiopia | ABK | |
| KABUL | Afghanistan | KBL | |
| KABWUM | Papua New Guinea | KBM | |
| KADUNA NEW KADUNA | Nigeria | KAD | |
| KAEDI | Mauritania | KED | |
| KAELE | Cameroon | KLE | |
| KAGOSHIMA | Japan | KOJ | |
| KAHULUI | USA | OGG | USA (HI) MAUI ISL. |
| KAILASHAHAR | India | IXH | |
| KAIMANA | Indonesia | KNG | |
| KAINTIBA | Papua New Guinea | KZF | |
| KAITAIA | New Zealand | KAT | |
| KAJAANI | Finland | KAJ | |
| KAKODATE | Japan | HKD | |
| KALAMATA MIL. ^ CIVIL | Greece | KLX | |
| KALAMAZOO BATTLE CREEK | USA | AZO | USA (MICHIGAN) |
| KALAUPAPA | USA | LUP | USA (HI) MOLOKAI ISL. |
| KALBARRI | Australia | KAX | AUSTRALIA (WA) |
| KALEMIE | | FMI | ZAIRE |
| KALEMYO | Myanmar | KMV | |
| KALGOORLIE | Australia | KGI | AUSTRALIA (WA) |
| KALIBO AKLAN | Philippines | KLO | |
| KALININGRAD KHRABROVO | Russia | KGD | |
| KALISPELL | USA | FCA | USA (MT) |
| KALKURANG | Australia | KFG | AUSTRALIA (NT) |
| KALMAR | Sweden | KLR | |
| KALOKOL FERGUSON'S GULF | Kenya | FER | |
| KALSKAG | USA | KLG | USA (ALASKA) |
| KALTAG | USA | KAL | USA (ALASKA) |
| KAMBUAYA | Indonesia | KBX | |
| KAMEMBE | Rwanda | KME | |
| KAMESHLI | Syria | KAC | |
| KAMLOOPS | Canada | YKA | CANADA (BR. COLUMBIA) |
| KAMUELA WAIMEA-KOHALA | USA | MUE | USA (HI) HAWAII ISL. |
| KANANGA | | KGA | ZAIRE |
| KANDAHAR | Afghanistan | KDH | |
| KANDAVU | Fiji | KDV | |
| KANDI | Benin | KDC | |
| KANDLA | India | IXY | |
| KANGIQSUALUJJUAQ | Canada | XGR | CANADA (QUEBEC) |
| KANGIQSUJUAQ | Canada | YWB | CANADA (QUEBEC) |
| KANGIRSUK | Canada | YKG | CANADA (QUEBEC) |
| KANGNUNG | South Korea | KAG | KOREA |
| KANKAN | Papua New Guinea | KNN | GUINEA |
| KANO MALLAM AMINU INTERNATIONAL | Nigeria | KAN | |
| KANPUR | India | KNU | |
| KANSAS CITY INTERNATIONAL | USA | MCI | USA (MO) |
| KANSAS CITY JOHNSON EXECUTIVE | USA | OJC | USA (MO) |
| KANSAS CITY JOHNSON INDUSTRIAL | USA | JCI | USA (MO) |
| KANSAS CITY MUNICIPAL | USA | KCK | USA (KANSAS) |
| KANTCHARI | Burkina Faso | XKA | |
| KAOHSIUNG | Taiwan | KHH | TAIWAN |
| KAOLACK | Senegal | KLC | |
| KAPIT SARAWAK | Malaysia | KPI | |
| KAPUSKASING | Canada | YYU | CANADA (ONTARIO) |
| KAR KAR | Papua New Guinea | KRX | |
| KARACHI QUAID-E-AZAM INTERNATIONAL | Pakistan | KHI | |
| KARAGANDA | Russia | KGF | |
| KARAWARI | Papua New Guinea | KRJ | |
| KARDEN CITY | USA | GCK | USA (KS) |
| KARIBA | Zimbabwe | KAB | |
| KARLSTAD | Sweden | KSD | |
| KARLUK | USA | KYK | USA (ALASKA) |
| KARONGA | Malawi | KGJ | |
| KARPATHOS | Greece | AOK | |
| KARRATHA | Australia | KTA | AUSTRALIA (WA) |
| KARSHI | Russia | KSQ | |
| KARUBAGA | Indonesia | KBC | |
| KARUMBA | Australia | KRB | AUSTRALIA (QUEENSLAND) |
| KARUP MIL. & CIVIL | Denmark | KRP | |
| KASAAN | USA | KXA | USA (ALASKA) |
| KASABA BAY | Zambia | ZKB | |
| KASABONIKA | Canada | XKS | CANADA (ONTARIO) |
| KASAMA | Zambia | KAA | |
| KASANE | Botswana | BBK | |
| KASCHECHEWAN | Canada | ZKE | CANADA (ONTARIO) |
| KASESE | Uganda | KSE | |
| KASHI | Taiwan | KHG | CHINA |
| KASIGLUK | USA | KUK | USA (ALASKA) |
| KASOS | Greece | KSJ | |
| KASSALA | Sudan | KSL | |
| KASTELORIZO | Greece | KZS | |
| KASTORIA | Greece | KSO | |
| KATHERINE | Australia | KTR | AUSTRALIA (NT) |
| KATHMANDU INTERNATIONAL | Nepal | KTM | |
| KATIOLA | Ivory Coast | KTC | |
| KAU | Indonesia | KAZ | |
| KAUKURA ATOLL | | KKR | TUAMOTU ISLANDS |
| KAUNAS | Russia | KUN | |
| KAVALA CHRISOUPOLIS | Greece | KVA | |
| KAVIENG | Papua New Guinea | KVG | |
| KAYES | Somalia | KYS | MALI |
| KAYSERI MIL.&CIV. (ERKILET) | Turkey | ASR | |
| KAZAN | Russia | KZN | |
| KEARNEY | USA | EAR | USA (NEVADA) |
| KEBAR | Indonesia | KEQ | |
| KEDOUGOU | Senegal | KGG | |
| KEETMANSHOOP J.G.H. VAN DER WATH | Namibia | KMP | |
| KEFFALLINIA | Greece | EFL | |
| KEFLAVIK | Iceland | KEF | |
| KEGASKA | Canada | ZKG | CANADA (QUEBEC) |
| KEISAH | Indonesia | KEA | |
| KELILA | Indonesia | LLN | |
| KELLE | Congo, Democratic Republic of | KEE | CONGO |
| KELOWNA MUNICIPAL | Canada | YLW | CANADA (BR. COLUMBIA) |
| KEMI TORNIO | Finland | KEM | |
| KEMOROVO | Russia | KEJ | |
| KEMPSEY | Australia | KPS | AUSTRALIA (NSW) |
| KENAI MUNICIPAL | USA | ENA | USA (ALASKA) |
| KENDARI WOLTER MONGINSIDI | Indonesia | KDI | |
| KENEMA | Sierra Leone | KEN | |
| KENGTUNG | Myanmar | KET | |
| KENMORE | USA | KEH | USA (WA) |
| KENORA | Canada | YQK | CANADA (ONTARIO) |
| KERICHO | Kenya | KEY | |
| KERIKERI | New Zealand | KKE | |
| KERKYRA/CORFU I. KAPODISTRIAS | Greece | CFU | |
| KERMAN | Iran | KER | |
| KERRY FARRANFORE | Republic of Ireland | KIR | IRELAND |
| KERTEH PENINSULAR | Malaysia | KTE | |
| KESHOD | India | IXK | |
| KETAPANG RAHADI USMAN | Indonesia | KTG | |
| KETCHIKAN INTERNATIONAL | USA | KTN | USA (ALASKA) |
| KEWTHLUK | USA | KWT | USA (ALASKA) |
| KEY WEST INTERNATIONAL | USA | EYW | USA (FLORIDA) |
| KHABAROVSK NOVY | Russia | KHV | |
| KHAJURAHO | India | HJR | |
| KHAKHONAK | USA | KNK | USA (ALASKA) |
| KHARTOUM INTERNATIONAL | Sudan | KRT | |
| KHASAB | Romania | KHS | OMAN |
| KHERSON | Ukraine | KHE | |
| KHMELNITSKY | Ukraine | HMJ | |
| KHON KAEN NAM PHUNG | Thailand | KKC | |
| KHOST | Afghanistan | KHT | |
| KHWAHAN | Afghanistan | KWH | |
| KHWAI RIVER LODGE | Botswana | KHW | |
| KIANA | USA | IAN | USA (ALASKA) |
| KIAPUPE | | KWH | ZAIRE |
| KIEL HOLTENAU | Germany | KEL | |
| KIFFA | Mauritania | KFA | |
| KIGALI GREGOIRE KAYIBANDA | Rwanda | KGL | |
| KIKAIGA SHIMA | Japan | KKX | |
| KIKORI | Papua New Guinea | KRI | |
| KILAGUNI | Kenya | ILU | |
| KILI ISLAND | Marshall Islands | KIO | |
| KILIFI PLANTATION FARM | Kenya | KRV | |
| KILIMANJARO | Tanzania | JRO | |
| KILLEEN MUNICIPAL | USA | ILE | USA (TEXAS) |
| KIMAM | Indonesia | KMM | |
| KIMBERLEY B. J. VORSTER | South Africa | KIM | |
| KIMWARER KERIO VALLEY | Kenya | KRV | |
| KINDAMBA | Congo, Democratic Republic of | KNJ | CONGO |
| KINDERSLEY | Canada | YKY | CANADA (SASKATCHEWAN) |
| KINDU | | KND | ZAIRE |
| KING COVE | USA | KVC | USA (ALASKA) |
| KING ISLAND | Australia | KNS | AUSTRALIA (TS) |
| KING SALMON | USA | AKN | USA (ARKANSAS) |
| KINGFISHER LAKE | Canada | KIF | CANADA (ONTARIO) |
| KINGMAN MUNICIPAL | USA | IGM | USA (AZ) |
| KINGOMA | Tanzania | TKQ | |
| KINGSCOTE | Australia | KGC | AUSTRALIA (SA) |
| KINGSTON | Canada | YGK | CANADA (ONTARIO) |
| KINGSTON NORMAN MANLEY INTERNATIONAL | Jamaica | KIN | |
| KINGSTON TINSON PEN | Jamaica | KTP | |
| KINMEN | Taiwan | KNH | TAIWAN |
| KINSHASA N'DJILI | | FIH | ZAIRE |
| KINSTON | USA | ISO | USA (NC) |
| KIPNUK | USA | KPN | USA (ALASKA) |
| KIRA | Papua New Guinea | KIQ | |
| KIRAKIRA | | IRA | SOLOMON ISLANDS |
| KIRKENES HOYBUKTMOEN | Norway | KKN | |
| KIRKLAND LAKE | Canada | YKX | CANADA (ONTARIO) |
| KIRKSVILLE | USA | IRK | USA (MO) |
| KIRKWALL | United Kingdom | KOI | |
| KIROV | Russia | KVX | |
| KIRUNA | Sweden | KRN | |
| KIRUNDO | Burkina Faso | KRE | |
| KISANGANI | | FKI | ZAIRE |
| KISH ISLAND | Iran | KIH | |
| KISHINEV | Russia | KIV | |
| KISMAYU | Somalia | KMU | |
| KISSIDOUGOU | Papua New Guinea | KSI | GUINEA |
| KISUMU | Kenya | KIS | |
| KITADAITO | Japan | KTD | |
| KITALE | Kenya | KTL | |
| KITHIRA | Greece | KIT | |
| KITOI BAY | USA | KKB | USA (ALASKA) |
| KITTILA | Finland | KTT | |
| KIUNGA | Papua New Guinea | UNG | |
| KIVALINA | USA | KVL | USA (ALASKA) |
| KIWAYU | Kenya | KWY | |
| KLAGENFURT WOERTHERSEE | Austria | KLU | |
| KLAMATH FALLS | USA | LMT | USA (OREGON) |
| KLAWOCK | USA | KLW | USA (ALASKA) |
| KLEINSEE | South Africa | KLZ | |
| KLEMTU | Canada | YKT | CANADA (BR. COLUMBIA) |
| KNOXVILLE MCGEE TYSON | USA | TYS | USA (TENNESSEE) |
| KOBUK | USA | OBU | USA (ALASKA) |
| KOCHI | Japan | KCZ | |
| KODIAK INTERNATIONAL | USA | ADQ | USA (ALASKA) |
| KOHAT MIL. & CIVIL | Pakistan | OHT | |
| KOKCHETAV | Russia | KOV | |
| KOKKOLA | Finland | KOK | |
| KOKODA | Papua New Guinea | KKD | |
| KOLDA | Senegal | KDA | |
| KOLHAPUR | India | KLH | |
| KOLIGANEK | USA | KGK | USA (ALASKA) |
| KOMATSUJIMA | Japan | KMQ | |
| KONA KE-AHOLE | USA | KOA | USA (HI) HAWAII ISL. |
| KONE | New Caledonia | KNQ | NEW CALEDONIA (F) |
| KONGE | Papua New Guinea | KGB | |
| KONGIGANAK | USA | KKH | USA (ALASKA) |
| KONGOLO | | KOO | ZAIRE |
| KONTIKI RESORT WHITSUNDAY | Australia | HAP | AUSTRALIA (QUEENSLAND) |
| KONYA | Turkey | KYA | |
| KOPASKER | Iceland | OPA | |
| KORHOGO | Ivory Coast | HGO | |
| KOS KOS ISLAND | Greece | KGS | |
| KOSICE | Slovakia | KSC | |
| KOSRAE KOSRAE ISLAND | Micronesia | KSA | |
| KOTA | India | KTU | |
| KOTA BAHRU SULTAN ISMAIL PETRA | Malaysia | KBR | |
| KOTA KINABALU INTERNATIONAL | Malaysia | BKI | |
| KOTLIK | USA | KOT | USA (ALASKA) |
| KOTZEBUE RALPH WIEN MEMORIAL | USA | OTZ | USA (ALASKA) |
| KOULAMOUTOU | Gabon | KOU | |
| KOUMAC | New Caledonia | KOC | NEW CALEDONIA (F) |
| KOUNDARA SAMBAILO | Papua New Guinea | SBI | GUINEA |
| KOUTABA | Cameroon | KOB | |
| KOUTIALA | Somalia | KTX | MALI |
| KOWANYAMA | Australia | KWM | AUSTRALIA (QUEENSLAND) |
| KOYUK | USA | KKA | USA (ALASKA) |
| KOYUKUK | USA | KYU | USA (ALASKA) |
| KOZANI | Greece | KZI | |
| KRAKOW BALICE | Poland | KRK | |
| KRAMFORS | Sweden | KRF | |
| KRASNODAR PASHKOVSKY | Russia | KRR | |
| KRASNOVODSK | Russia | KRW | |
| KRASNOYARSK | Russia | KJA | |
| KRIBI | Cameroon | KBI | |
| KRISTIANSAND KJEVIK | Norway | KRS | |
| KRISTIANSTAD EVEROD | Sweden | KID | |
| KRISTIANSUND KVERNBERGET | Norway | KSU | |
| KRIVOY ROG | Russia | KWG | |
| KUALA LUMPUR SUBANG INTERNATIONAL | Malaysia | KUL | |
| KUALA TERENGGANU SULTAN MAHMUD | Malaysia | TGG | |
| KUANTAN MIL. & CIVIL | Malaysia | KUA | |
| KUBIN ISLAND | Australia | KUG | AUSTRALIA (QUEENSLAND) |
| KUCHING SARAWAK | Malaysia | KCH | |
| KUDAT | Malaysia | KUD | |
| KUFRA | Libya | AKF | |
| KUITO BIE | Angola | SVP | |
| KULU BHUNTAR | India | KUU | |
| KULUSUK | Greenland | KUS | GREENLAND (DENMARK) |
| KUMAMOTO | Japan | KMJ | |
| KUMASI | Ghana | KMS | |
| KUMEJIMA | Japan | UEO | |
| KUNDIAWA | Papua New Guinea | CMU | |
| KUNDUZ | Afghanistan | UND | |
| KUNMING WUJIABA | Taiwan | KMG | CHINA |
| KUNUNURRA | Australia | KNX | AUSTRALIA (WA) |
| KUOPIO | Finland | KUO | |
| KUPANG ELTARI | Indonesia | KOE | |
| KUPIANO | Papua New Guinea | KUP | |
| KURGAN | Russia | KRO | |
| KURIA | Kiribati | KUC | |
| KUSHIRO KENEBETSU | Japan | KUH | |
| KUSTANAY | Russia | KSN | |
| KUTAISI | Russia | KUT | |
| KUUJJUAQ | Canada | YVP | CANADA (QUEBEC) |
| KUUJJUARARAPIK | Canada | YGW | CANADA (QUEBEC) |
| KUUSAMO | Finland | KAO | |
| KUWAIT INTERNATIONAL | Kuwait | KWI | |
| KUYBYCHEV | Russia | KUF | |
| KWAJALEIN MIL. (BUCHOLZ AFB) | Marshall Islands | KWA | |
| KWANGJU | South Korea | KWJ | KOREA |
| KWIGILLINGOK | USA | KWK | USA (ALASKA) |
| KYAUKPYU | Myanmar | KYP | |
| KYIV BORISPOL | Ukraine | KBP | |
| KYIV ZHULYANY | Ukraine | IEV | |
| KYZYL | Russia | KYZ | |
