| Birmingham to Brownsburg (Indiana) | 3,898.54 mi (6,274.09 km) |
| Birmingham to Brownsville (Florida) | 4,342.72 mi (6,988.93 km) |
| Birmingham to Brownsville (Texas) | 5,034.32 mi (8,101.95 km) |
| Birmingham to Brownwood (Texas) | 4,789.69 mi (7,708.26 km) |
| Birmingham to Brunswick (Georgia) | 4,124.71 mi (6,638.09 km) |
| Birmingham to Brunswick (Ohio) | 3,655.64 mi (5,883.19 km) |
| Birmingham to Brushy Creek (Texas) | 4,805.61 mi (7,733.88 km) |
| Birmingham to Bryan (Texas) | 4,745.18 mi (7,636.63 km) |
| Birmingham to Bryant (Arkansas) | 4,390.95 mi (7,066.55 km) |
| Birmingham to Bryn Mawr-Skyway (Washington) | 4,688.70 mi (7,545.73 km) |
| Birmingham to Buckeye (Arizona) | 5,189.55 mi (8,351.78 km) |
| Birmingham to Buckhall (Virginia) | 3,597.33 mi (5,789.34 km) |
| Birmingham to Bucyrus (Ohio) | 3,720.80 mi (5,988.05 km) |
| Birmingham to Buda (Texas) | 4,832.91 mi (7,777.81 km) |
| Birmingham to Buena Park (California) | 5,342.90 mi (8,598.56 km) |
