| MLJ | KMLJ | Baldwin County Airport | Milledgeville | |
| - | - | Baldwin Municipal | Baldwin | |
| GBO | - | Baltimore Greenbelt T Station | Baltimore | |
| - | - | Bamberg Co | Bamberg | |
| - | - | Bancroft Municipal | Bancroft | |
| - | - | Bandel | Eighty Four | |
| - | - | Bandera State | Bandera | |
| - | - | Bandit Field Airdrome | Clyde | |
| BDY | - | Bandon State Airport | Bandon | |
| BNG | KBNG | Banning Airport | Banning | |
| - | - | Barber | Alliance | |
| NHX | - | Barin Olf Osn Airport | Foley | |
| BKH | PHBK | Barking Sands Airport | Kekaha | |
| - | - | Barnes Co Municipal | Valley City | |
| - | - | Barnesville Municipal | Barnesville | |
| - | - | Barnesville-Bradfield | Barnesville | |
| - | - | Barnett Memorial | Mt Morris | |
| BNL | KBNL | Barnwell County Airport | Barnwell | |
| - | - | Barron Municipal | Barron | |
| - | - | Barstow | Midland | |
| DAG | KDAG | Barstow-Daggett Airport | Daggett | |
| BQV | - | Bartlett Sea Plane Base | Gustavus | |
| BOW | KBOW | Bartow Airport | Bartow | |
| - | - | Barwick-Lafayette | Lafayette | |
| - | - | Basin Creek | Basin Creek | |
| - | - | Basin Harbor | Vergennes | |
| - | - | Bass Memorial | Lumberton | |
| BVX | KBVX | Batesville Municipal Airport | Batesville | |
| EBR | - | Baton Rouge Downtown Airport | Baton Rouge | |
| NBP | - | Battery Park City/North Cove Sea Plane Base | New York | |
| - | - | Baublitz Commercial | Brogue | |
| BDE | KBDE | Baudette Airport | Baudette | |
| - | KBHC | Baxley Municipal | Baxley | |
| - | - | Bay Bridge | Stevensville | |
| BBC | KBYY | Bay City Airport | Bay City | |
| - | - | Bay Minette Municipal | Bay Minette | |
| - | - | Bayfield Co | Iron River | |
| - | - | Bayport | Bayport | |
| HPY | KHPY | Baytown Airport | Baytown | |
| - | - | Beach | Charlotte | |
| - | - | Beach | Beach | |
| - | - | Beach City | Beach City | |
| BAB | KBAB | Beale Air Force Base | Marysville | |
| - | - | Bean Blossom | New Lathrop | |
| - | - | Bear Creek | Mt Pleasant | |
| BCC | - | Bear Creek Airport | Bear Creek | |
| - | - | Bear Lake Co | Paris | |
| - | - | Bear Trap | Minidoka | |
| - | - | Bearce | Mount Ida | |
| BTY | KBTY | Beatty Airport | Beatty | |