| Dorchester to Bonita (California) | 5,437.73 mi (8,751.18 km) |
| Dorchester to Bonita Springs (Florida) | 4,377.33 mi (7,044.64 km) |
| Dorchester to Bonney Lake (Washington) | 4,784.79 mi (7,700.37 km) |
| Dorchester to Boone (Iowa) | 4,115.23 mi (6,622.82 km) |
| Dorchester to Boone (North Carolina) | 3,900.06 mi (6,276.53 km) |
| Dorchester to Borger (Texas) | 4,713.46 mi (7,585.58 km) |
| Dorchester to Bossier City (Louisiana) | 4,569.11 mi (7,353.27 km) |
| Dorchester to Boston (Massachusetts) | 3,195.29 mi (5,142.32 km) |
| Dorchester to Bostonia (California) | 5,426.34 mi (8,732.86 km) |
| Dorchester to Bothell (Washington) | 4,752.54 mi (7,648.47 km) |
| Dorchester to Bothell East (Washington) | 4,750.15 mi (7,644.63 km) |
| Dorchester to Bothell West (Washington) | 4,751.72 mi (7,647.16 km) |
| Dorchester to Boulder (Colorado) | 4,631.40 mi (7,453.52 km) |
| Dorchester to Boulder City (Nevada) | 5,189.96 mi (8,352.43 km) |
| Dorchester to Bound Brook (New Jersey) | 3,411.02 mi (5,489.51 km) |
