| Abbreviation | Definition |
|---|---|
| BKU | Betioky, Madagascar |
| BKW | Beckley, West Virginia USA |
| BKX | Brookings, South Dakota USA |
| BKY | Byjavy, Congo |
| BKZ | Bukoba, Tanzania |
| BLA | Barcelona, Venezuela |
| BLB | Balboa, Panama Republic |
| BLC | Bali, Republic of Cameroon |
| BLE | Borlange, Sweden |
| BLF | Bluefield, West Virginia USA |
| BLG | Belaga, Malaysia |
| BLH | Blythe, California USA |
| BLI | Bellingham, Washington USA |
| BLJ | Batna, Algeria |
| BLK | Blackpool, England, UK |
| BLL | Billund, Denmark |
| BLN | Benalla, Victoria, Australia |
| BLO | Blonduos, Iceland |
| BLP | Bellavista, Peru |
| BLQ | Bologna, Italy |