| KDM | VRMT | Kaadedhdhoo Airport, Maldives |
| KBL | OAKB | Kabul International Airport, Afghanistan |
| KDO | VRMK | Kadhdhoo Airport, Maldives |
| KOJ | RJFK | Kagoshima Airport, Japan |
| OGG | PHOG | Kahului Airport, United States |
| KOA | PHKO | Kailua see Kona International at Keahole, United States |
| KAJ | EFKI | Kajaani Airport, Finland |
| KLX | LGKL | Kalamata International Airport, Greece |
| AZO | KAZO | Kalamazoo/Battle Creek Int´l Airport, United States |
| LLA | ESPA | Kallax Cargo Airport see Luleå - Kallax Cargo Airport, Sweden |
| KLR | ESMQ | Kalmar Airport, Sweden |
| YKA | CYKA | Kamloops Airport, Canada |
| LLW | FWKI | Kamuzu Airport see Lilongwe - Kamuzu International Airport, Malawi |
| KGA | FZUA | Kananga Aiport, Congo DR |
| KDH | OAKN | Kandahar International Airport, Afghanistan |
| SFJ | BGSF | Kangerlussuaq Airport see Sondre Stromfjord/Kangerlussuaq Airport, Greenland |
| KAN | DNKN | Kano - Mallam Aminu Kano Airport, Nigeria |
| KIX | RJBB | Kansai Airport see Osaka - Kansai International Airport, Japan |
| MKC | KMKC | Kansas City - Charles B Wheeler Downtown Airport, United States |
| MCI | KMCI | Kansas City International Airport, United States |
| KHH | RCKH | Kaohsiung Int´l Airport, Taiwan ROC |
| CFU | LGKR | I Kapodistrias see Corfu International Airport I Kapodistrias, Greece |
| KHI | OPKC | Karachi - Jinnah Int´l Airport, Pakistan |
| KGF | UAKK | Karaganda - Sary Arka Airport, Kazakhstan |
| KDL | EEKA | Kärdla Airport, Estonia |
| KAB | FVKB | Kariba Airport, Zimbabwe |
| KLV | LKKV | Karlovy Vary Airport, Czech Republic |
| KSD | ESOK | Karlstad Airport, Sweden |
| KGJ | FWKA | Karonga Airport, Malawi |
| KRP | EKKA | Karup Airport, Denmark |
| BBK | FBKE | Kasane Airport, Botswana |
| KHG | ZWSH | Kashgar Airport, China PRC |
| KHG | ZWSH | Kashi Airport see Kashgar Airport, China PRC |
| KSF | EDVK | Kassel Airport, Germany |
| KSO | LGKA | Kastoria National Airport, Greece |
| CPH | EKCH | Kastrup Airport see Copenhagen - Kastrup International Airport, Denmark |
| KTM | VNKT | Kathmandu - Tribhuvan Airport, Nepal |
| | | Katima Mulilo Airport, Namibia |
| KTW | EPKT | Katowice International Airport, Poland |
| CMB | VCBI | Katunayake Airport see Bandaranaike Int´l Airport, Sri Lanka |
| LIH | PHLI | Kauai see Lihue Airport, United States |
| KUN | EYKA | Kaunas Airport, Lithuania |
| KVA | LGKV | Kavala - Megas Alexandros Int´l Airport, Greece |
| KZN | UWKD | Kazan Airport, Russia |
| EFL | LGKF | Kefallinia Airport, Greece |
| KEF | BIKF | Keflavik Airport, Iceland |
| YLW | CYLW | Kelowna International Airport, Canada |
| KEJ | UNEE | Kemerovo International Airport, Russia |
| KEM | EFKE | Kemi-Tornio Airport, Finland |
| YQK | CYQK | Kenora Airport, Canada |
| GRR | KGRR | Kent County Int´l Airport see Grand Rapids - Gerald R Ford Int´l Airport, United States |
| MSE | EGMH | Kent International Airport, United Kingdom |
| CFU | LGKR | Kerkira Airport see Corfu International Airport I Kapodistrias, Greece |
| IYK | KIYK | Kern County Airport see Inyokern - Kern County Airport, United States |
| KIR | EIKY | Kerry Airport, Ireland |
| MEI | KJYD | Key Field Airport see Meridian Regional-Key Field Airport, United States |
| EYW | KEYW | Key West International Airport, United States |
| KHV | UHHH | Khabarovsk - Novy Airport, Russia |
| HJR | VAKJ | Khajuraho Airport, India |
| KRT | HSSS | Khartoum Airport, Sudan |
| JKH | LGHI | Khios Airport, Greece |
| UUS | UHSS | Khomutovo see Yuzhno-Sakhalinsk Airport, Russia |
| HKT | VTSP | Khon Kaen see Phuket International Airport, Thailand |
| KKC | VTUK | Khon Kaen Airport, Thailand |
| ADE | OYAA | Khormaksar Airport see Aden International Airport, Yemen |
| KBL | OAKB | Khwaja Rawash Airport see Kabul International Airport, Afghanistan |
| OXF | EGTK | Kidlington see Oxford Airport, United Kingdom |
| KBP | UKBB | Kiev - Boryspil State International Airport, Ukraine |
| GML | UKKM | Kiev - Antonov International Airport, Ukraine |
| IEV | UKKK | Kiev - Zulhany Airport, Ukraine |
| KGL | HRYR | Kigali International Airport, Rwanda |
| TNJ | WIDN | Kijang see Tanjung Pinang - Kijang Airport, Indonesia |
| JRO | HTKJ | Kilimanjaro International Airport, Tanzania |
| KIM | FAKM | Kimberley Airport, South Africa |
| YLC | CYLC | Kimmirut Airport, Canada |
| SEL | RKSS | Kimpo Airport see Seoul - Gimpo International Airport, South Korea |
| JED | OEJN | King Abdulaziz Airport see Jeddah - King Abdulaziz International Airport, Saudi Arabia |
| BFI | KBFI | King County Airport see Boeing Field/King County Int´l Airport, United States |
| SYD | YSSY | Kingsford Smith Airport see Sydney International Airport, Australia |
| KIN | MKJP | Kingston - Norman Manley International Airport, Carib,Jamaica |
| YGK | CYGK | Kingston (Norman Rogers) Airport, Canada |
| FIH | FZAA | Kinshasa-N´Djili Airport, Congo DR |
| ISO | KISO | Kinston - North Carolina Global Transpark, United States |
| KKN | ENKR | Kirkenes Airport, Norway |
| KOI | EGPA | Kirkwall Airport, United Kingdom |
| KRN | ESNQ | Kiruna Airport, Sweden |
| KMU | HCMK | Kismaayo Airport, Somalia |
| KIS | HKKI | Kisumu Airport, Kenya |
| KKJ | RJFR | Kitakyushu - New Kitakyushu Airport, Japan |
| KTT | EFKT | Kittilä Airport, Finland |
| KRS | ENCN | Kjevik - Kristiansand Airport, Norway |
| KLU | LOWK | Klagenfurt Airport, Austria |
| LMT | KLMT | Klamath Falls Int´l Airport, United States |
| NOC | EIKN | Knock - Ireland West Airport, Ireland |
| TYS | KTYS | Knoxville - McGhee Tyson Airport, United States |
| KCZ | RJOK | Kochi Airport, Japan |
| KOK | EFKK | Kokkola Airport see Kruunupyy - Kokkola-Pietarsaari Airport, Finland |
| CCU | VECC | Kolkata - Netaji Subhas Chanra Bose Int´l Airport, India |
| CGN | EDDK | Koln Airport see Cologne/Bonn Airport, Germany |
| SVX | USSS | Koltsovo Airport see Ekaterinburg - Koltsovo International Airport, Russia |
| KMQ | RJNK | Komatsu Airport, Japan |
| KOA | PHKO | Kona International at Keahole, United States |
| ROR | PTRO | Koror - Babelthaup Airport, Pac.Is, Palau |
| FIA | EBKT | Kortrijk-Wevelgem/Flanders Int´l Airport, Belgium |
| KGS | LGKO | Kos - Ippokratis Airport, Greece |
| KSC | LZKZ | Kosice International Airport, Slovakia |
| KSA | PTTK | Kosrae Airport, Pac.Is, Micronesia |
| KBR | WMKC | Kota Bharu - Sultan Ismail Petra Airport, Malaysia |
| BKI | WBKK | Kota Kinabalu Int´l Airport, Malaysia |
| ACC | DGAA | Kotoka International Airport, Ghana |
| UTI | EFUT | Kouvola-Utti Airport, Finland |
| KRK | EPKK | Krakow Airport, Poland |
| KRR | URKK | Krasnodar - Paskkovsky Airport, Russia |
| KJA | UNKL | Krasnoyarsk - Yemelyanovo Airport, Russia |
| KRS | ENCN | Kristiansand Airport see Kjevik - Kristiansand Airport, Norway |
| KID | ESMK | Kristianstad - Everod Airport, Sweden |
| KSU | ENKB | Kristiansund Airport, Norway |
| KWG | UKDR | Krivij Rig International Airport, Ukraine |
| KOK | EFKK | Kruunupyy - Kokkola-Pietarsaari Airport, Finland |
| KUL | WMKK | Kuala Lumpur - KLIA International Airport, Malaysia |
| SZB | WMSA | Kuala Lumpur - Sultan Abdul Aziz Shah Airport, Malaysia |
| TGG | WMKN | Kuala Terengganu - Sultan Mahmud Airport, Malaysia |
| KUA | WMKD | Kuantan - Sultan Haji Ahmad Shah Airport, Malaysia |
| KCH | WBGG | Kuching Int´l Airport, Malaysia |
| YBB | CYBB | Kugaaruk/Pelly Bay Airport, Canada |
| YCO | CYCO | Kugluktuk Airport, Canada |
| KMJ | RJFT | Kumamoto Airport, Japan |
| KMS | DSGI | Kumasi Airport, Ghana |
| UND | OAUZ | Kunduz Airport, Afghanistan |
| KMG | ZPPP | Kunming Wujiaba International Airport, China PRC |
| KUO | EFKU | Kuopio Airport, Finland |
| URE | EEKE | Kuressaare Airport, Estonia |
| KUF | UWWW | Kurumoch see Samara - Kurumoch International Airport, Russia |
| KUH | RJCK | Kushiro Airport, Japan |
| KAO | EFKS | Kuusamo Airport, Finland |
| KWI | OKBK | Kuwait International Airport, Kuwait |
| MTS | FDMS | Kwaluseni Airport see Manzini - Matsapha Airport, Swaziland |
