| Fairfax to Blue Island (Illinois) | 580.24 mi (933.81 km) |
| Fairfax to Blue Springs (Missouri) | 910.95 mi (1,466.03 km) |
| Fairfax to Bluffdale (Utah) | 1,833.93 mi (2,951.43 km) |
| Fairfax to Bluffton (Indiana) | 437.68 mi (704.38 km) |
| Fairfax to Bluffton (South Carolina) | 502.03 mi (807.94 km) |
| Fairfax to Blythe (California) | 2,096.10 mi (3,373.34 km) |
| Fairfax to Blytheville (Arkansas) | 720.10 mi (1,158.89 km) |
| Fairfax to Boca Raton (Florida) | 877.36 mi (1,411.97 km) |
| Fairfax to Boerne (Texas) | 1,369.27 mi (2,203.63 km) |
| Fairfax to Bogalusa (Louisiana) | 903.44 mi (1,453.94 km) |
| Fairfax to Boiling Springs (South Carolina) | 368.62 mi (593.23 km) |
| Fairfax to Boise (Idaho) | 2,030.51 mi (3,267.79 km) |
| Fairfax to Bolingbrook (Illinois) | 601.76 mi (968.44 km) |
| Fairfax to Bolivar (Missouri) | 877.88 mi (1,412.81 km) |
| Fairfax to Bon Air (Virginia) | 93.37 mi (150.27 km) |
