- Kokkola-Pietarsaari AirportIdent: EFKKCountry: Finland
- Koksan 2 Highway StripIdent: KP-0068Country: North Korea
- Koksan Air BaseIdent: KP-0015Country: North Korea
- Koksijde Air BaseIdent: EBFNCountry: Belgium
- Kolding Vamdrup AirfieldIdent: EKVDCountry: Denmark
- Kolhapur AirportIdent: VAKPCountry: India
- Kolwezi AirportIdent: FZQMCountry: Congo - Kinshasa
- Komsomolsk-on-Amur AirportIdent: UHKKCountry: Russia
- Konotori Tajima AirportIdent: RJBTCountry: Japan
- Koné AirportIdent: NWWDCountry: New Caledonia
- Korhogo AirportIdent: DIKOCountry: Côte d’Ivoire
- Korla Licheng AirportIdent: ZWKLCountry: China
- Kortrijk-Wevelgem International AirportIdent: EBKTCountry: Belgium
- Kostomlaty AirstripIdent: CZ-0244Country: Czechia
- Kostroma Sokerkino AirportIdent: UUBACountry: Russia
- Kota AirportIdent: VIKOCountry: India
- Kotlas AirportIdent: ULKKCountry: Russia
- Koulamoutou Mabimbi AirportIdent: FOGKCountry: Gabon
- Kowanyama AirportIdent: YKOWCountry: Australia
- Kozani National Airport FilipposIdent: LGKZCountry: Greece
- Košice International AirportIdent: LZKZCountry: Slovakia
- Kramfors-Sollefteå Höga Kusten AirportIdent: ESNKCountry: Sweden
- Krasnodar Central Air BaseIdent: RU-0090Country: Russia
- Krasnokamensk AirportIdent: UIAECountry: Russia
- Krasnoyarsk Cheremshanka AirportIdent: UNKMCountry: Russia
- Krechevitsy Air BaseIdent: RU-9345Country: Russia
- Kristianstad AirportIdent: ESMKCountry: Sweden
- Kristiansund Airport, KvernbergetIdent: ENKBCountry: Norway
- Krymsk Air BaseIdent: RU-0089Country: Russia
- Kryvyi Rih International AirportIdent: UKDRCountry: Ukraine
- Krzesiny Military Air BaseIdent: EPKSCountry: Poland
- Kuantan AirportIdent: WMKDCountry: Malaysia
- Kubinka Air BaseIdent: RU-0764Country: Russia
- Kufra AirportIdent: HLKFCountry: Libya
- Kuito AirportIdent: FNKUCountry: Angola
- Kukës International AirportIdent: LAKUCountry: Albania
- Kullu Manali AirportIdent: VIBRCountry: India
- Kulusuk AirportIdent: BGKKCountry: Greenland
- Kumejima AirportIdent: ROKJCountry: Japan
- Kunduz AirportIdent: OAUZCountry: Afghanistan
- Kunovice AirportIdent: LKKUCountry: Czechia
- Kurchatov AirfieldIdent: KZ-0068Country: Kazakhstan
- Kuressaare AirportIdent: EEKECountry: Estonia
- Kurgan AirportIdent: USUUCountry: Russia
- Kurnool AirportIdent: VOKUCountry: India
- Kursk East AirportIdent: UUOKCountry: Russia
- Kushinagar International AirportIdent: VEKICountry: India
- Kushiro AirportIdent: RJCKCountry: Japan
- Kut Al Hayy East Air BaseIdent: IQ-0030Country: Iraq
- Kuujjuaq AirportIdent: CYVPCountry: Canada
- Kuujjuarapik AirportIdent: CYGWCountry: Canada
- Kuusamo AirportIdent: EFKSCountry: Finland
- Kuçovë Air BaseIdent: LAKVCountry: Albania
- Kwail Air BaseIdent: KP-0039Country: North Korea
- Kwaksan Air BaseIdent: KP-0012Country: North Korea
- Kyaukpyu AirportIdent: VYKPCountry: Myanmar (Burma)
- Kyurdamir Air BaseIdent: UB14Country: Azerbaijan
- Kyzyl AirportIdent: UNKYCountry: Russia
- Kyzyl-Syr AirportIdent: UENKCountry: Russia
- Kärdla AirportIdent: EEKACountry: Estonia