| Boston to Bountiful (Utah) | 4,790.16 mi (7,709.01 km) |
| Boston to Bourbonnais (Illinois) | 3,947.74 mi (6,353.27 km) |
| Boston to Bowie (Maryland) | 3,623.65 mi (5,831.71 km) |
| Boston to Bowling Green (Kentucky) | 4,098.71 mi (6,596.24 km) |
| Boston to Bowling Green (Ohio) | 3,779.30 mi (6,082.19 km) |
| Boston to Box Elder (South Dakota) | 4,335.00 mi (6,976.52 km) |
| Boston to Boynton Beach (Florida) | 4,372.44 mi (7,036.76 km) |
| Boston to Bozeman (Montana) | 4,501.53 mi (7,244.52 km) |
| Boston to Bradenton (Florida) | 4,424.73 mi (7,120.92 km) |
| Boston to Bradfordville (Florida) | 4,332.29 mi (6,972.14 km) |
| Boston to Bradley (Illinois) | 3,947.41 mi (6,352.75 km) |
| Boston to Bradley Gardens (New Jersey) | 3,467.20 mi (5,579.91 km) |
| Boston to Brainerd (Minnesota) | 3,925.03 mi (6,316.73 km) |
| Boston to Brambleton (Virginia) | 3,653.87 mi (5,880.33 km) |
| Boston to Brandermill (Virginia) | 3,731.41 mi (6,005.12 km) |
