| Abbreviation | Definition |
|---|---|
| BK | Kosovo |
| BKA | Bykovo, Russia |
| BKB | Bikaner, India |
| BKC | Buckland, Alaska USA |
| BKD | Breckenridge, Texas USA |
| BKE | Baker, Oregon USA |
| BKF | Brooks Lake, Alaska USA |
| BKH | Kekaha, Kauai, Hawaii USA |
| BKI | Kota Kinabalu, Sabah, Malaysia |
| BKJ | Boke, Guinea |
| BKK | Bangkok, Thailand |
| BKL | Burke Lakefront Airport, Cleveland, Ohio USA |
| BKM | Bakalalan, Malaysia |
| BKN | Birni Nkoni, Nigeria |
| BKO | Bamako, Mali |
| BKP | Barkly Downs, Queensland, Australia |
| BKQ | Blackall, Queensland, Australia |
| BKR | Bokoro, Chad |
| BKS | Bengkulu, Indonesia |
| BKT | Blackstone, Virginia USA |