| Fairfax to Brown Deer (Wisconsin) | 630.89 mi (1,015.32 km) |
| Fairfax to Brownsburg (Indiana) | 489.84 mi (788.33 km) |
| Fairfax to Brownsville (Florida) | 916.47 mi (1,474.91 km) |
| Fairfax to Brownsville (Texas) | 1,467.69 mi (2,362.02 km) |
| Fairfax to Brownwood (Texas) | 1,314.28 mi (2,115.13 km) |
| Fairfax to Brunswick (Georgia) | 582.46 mi (937.39 km) |
| Fairfax to Brunswick (Ohio) | 290.62 mi (467.71 km) |
| Fairfax to Brushy Creek (Texas) | 1,292.33 mi (2,079.81 km) |
| Fairfax to Bryan (Texas) | 1,218.51 mi (1,961.00 km) |
| Fairfax to Bryant (Arkansas) | 889.39 mi (1,431.33 km) |
| Fairfax to Bryn Mawr-Skyway (Washington) | 2,307.23 mi (3,713.12 km) |
| Fairfax to Buckeye (Arizona) | 1,994.46 mi (3,209.78 km) |
| Fairfax to Buckhall (Virginia) | 11.96 mi (19.25 km) |
| Fairfax to Bucyrus (Ohio) | 329.73 mi (530.65 km) |
| Fairfax to Buda (Texas) | 1,314.10 mi (2,114.83 km) |
