| Boston to Blue Springs (Missouri) | 4,290.92 mi (6,905.57 km) |
| Boston to Bluffdale (Utah) | 4,814.50 mi (7,748.19 km) |
| Boston to Bluffton (Indiana) | 3,867.19 mi (6,223.63 km) |
| Boston to Bluffton (South Carolina) | 4,117.76 mi (6,626.90 km) |
| Boston to Blythe (California) | 5,286.08 mi (8,507.12 km) |
| Boston to Blytheville (Arkansas) | 4,283.70 mi (6,893.96 km) |
| Boston to Boca Raton (Florida) | 4,381.44 mi (7,051.25 km) |
| Boston to Boerne (Texas) | 4,939.54 mi (7,949.42 km) |
| Boston to Bogalusa (Louisiana) | 4,546.01 mi (7,316.10 km) |
| Boston to Boiling Springs (South Carolina) | 4,019.07 mi (6,468.07 km) |
| Boston to Boise (Idaho) | 4,769.10 mi (7,675.12 km) |
| Boston to Bolingbrook (Illinois) | 3,931.64 mi (6,327.37 km) |
| Boston to Bolivar (Missouri) | 4,330.94 mi (6,969.97 km) |
| Boston to Bon Air (Virginia) | 3,724.17 mi (5,993.47 km) |
| Boston to Bonham (Texas) | 4,642.00 mi (7,470.58 km) |
