| Abbreviation | Definition |
|---|---|
| BSQ | Bisbee, Arizona USA |
| BSU | Basankusu, Congo |
| BSV | Bosset, Papua New Guinea |
| BSX | Bassein, Myanmar |
| BSY | Bardera, Somalia |
| BSZ | Bartlett's, Alaska USA |
| BTA | Bertoua, Cameroon |
| BTD | Brunette Downs, Northern Territory, Australia |
| BTG | Batangafo, Central African Republic |
| BTH | Batam, Indonesia |
| BTI | Barter Island, Alaska USA |
| BTJ | Banda Aceh, Indonesia |
| BTK | Bratsk, Russia |
| BTM | Butte, Montana USA |
| BTQ | Butare, Rwanda |
| BTR | Baton Rouge, Louisiana USA |
| BTS | Bratislava, Slovakia |
| BTT | Bettles, Alaska USA |
| BTU | Bintulu, Malaysia |
| BTV | Burlington, Vermont USA |