| Dorchester to Bailey's Crossroads (Virginia) | 3,592.79 mi (5,782.04 km) |
| Dorchester to Bainbridge (Georgia) | 4,273.01 mi (6,876.74 km) |
| Dorchester to Bainbridge Island (Washington) | 4,769.05 mi (7,675.04 km) |
| Dorchester to Baker (Louisiana) | 4,563.48 mi (7,344.21 km) |
| Dorchester to Bakersfield (California) | 5,353.97 mi (8,616.39 km) |
| Dorchester to Balch Springs (Texas) | 4,677.18 mi (7,527.20 km) |
| Dorchester to Baldwin (New York) | 3,368.68 mi (5,421.37 km) |
| Dorchester to Baldwin (Pennsylvania) | 3,643.67 mi (5,863.91 km) |
| Dorchester to Baldwin Park (California) | 5,390.17 mi (8,674.64 km) |
| Dorchester to Ballenger Creek (Maryland) | 3,581.65 mi (5,764.12 km) |
| Dorchester to Ballwin (Missouri) | 4,149.58 mi (6,678.10 km) |
| Dorchester to Baltimore (Maryland) | 3,551.39 mi (5,715.41 km) |
| Dorchester to Bangor (Maine) | 3,003.09 mi (4,833.01 km) |
| Dorchester to Banning (California) | 5,361.75 mi (8,628.90 km) |
| Dorchester to Baraboo (Wisconsin) | 3,893.33 mi (6,265.71 km) |
