| Abbreviation | Definition |
|---|---|
| BAG | Baguio, Philippines |
| BAH | Bahrain, Bahrain |
| BAI | Buenos Aires, Costa Rica |
| BAK | Baku, Azerbaijan |
| BAL | Batman, Turkey |
| BAN | Basongo, Zaire |
| BAQ | Barranquilla, Colombia |
| BAS | Ballalae, Solomon Islands |
| BAT | Barretos, Sao Paulo, Brazil |
| BAU | Bauru, Sao Paulo, Brazil |
| BAV | Baotou, Mainland China |
| BAW | Banque, Gabon |
| BAW | British Air Ways |
| BAX | Barnaul, Russia |
| BAX | Huron County Memorial Airport, Bad Axe, Michigan USA |
| BAY | Baia Mare, Romania |
| BAZ | Barcelos, Amazonas, Brazil |
| BBA | Balmaceda, Chile |
| BBD | Brady, Texas USA |
| BBE | Big Bell, Western Australia, Australia |