| Fort Thomas to Brown Deer (Wisconsin) | 337.04 mi (542.41 km) |
| Fort Thomas to Brownsburg (Indiana) | 115.43 mi (185.77 km) |
| Fort Thomas to Brownsville (Florida) | 948.07 mi (1,525.77 km) |
| Fort Thomas to Brownsville (Texas) | 1,176.74 mi (1,893.79 km) |
| Fort Thomas to Brownwood (Texas) | 961.69 mi (1,547.68 km) |
| Fort Thomas to Brunswick (Georgia) | 573.41 mi (922.82 km) |
| Fort Thomas to Brunswick (Ohio) | 204.23 mi (328.68 km) |
| Fort Thomas to Brushy Creek (Texas) | 956.71 mi (1,539.67 km) |
| Fort Thomas to Bryan (Texas) | 890.36 mi (1,432.90 km) |
| Fort Thomas to Bryant (Arkansas) | 540.72 mi (870.20 km) |
| Fort Thomas to Bryn Mawr-Skyway (Washington) | 1,965.70 mi (3,163.49 km) |
| Fort Thomas to Buckeye (Arizona) | 1,611.37 mi (2,593.25 km) |
| Fort Thomas to Buckhall (Virginia) | 377.32 mi (607.24 km) |
| Fort Thomas to Bucyrus (Ohio) | 142.67 mi (229.60 km) |
| Fort Thomas to Buda (Texas) | 981.90 mi (1,580.22 km) |
