| Abbreviation | Definition |
|---|---|
| BLR | Bangalore, India |
| BLT | Blackwater, Queensland, Australia |
| BLV | Scott Air Force Base, Mid- America Airport, Illinois |
| BLV | Scott Air Force Base, Mid-America Airport, Illinois USA |
| BLW | Waimanalo, Oahu, Hawaii USA |
| BLX | Blonduos, Iceland |
| BLY | Belmullet Airport, Belmullet, County Mayo, Republic of Ireland |
| BLZ | Blantyre, Malawi |
| BMA | Bromma, Sweden |
| BMB | Bumba, Congo |
| BMD | Belo, Madagascar |
| BME | Broome, Western Australia, Australia |
| BMF | Bakouma, Central African Republic |
| BMI | Bloomington, Illinois USA |
| BMK | Borkum, Germany |
| BML | Berlin, New Hampshire |
| BMM | Bitam, Gabon |
| BMN | Bamerni, Iraq |
| BMO | Bhamo, Myanmar |
| BMP | Brampton Island, Queensland, Australia |