| Dorchester to Monticello (Minnesota) | 3,962.23 mi (6,376.59 km) |
| Dorchester to Montrose (Colorado) | 4,804.25 mi (7,731.69 km) |
| Dorchester to Moody (Alabama) | 4,223.34 mi (6,796.82 km) |
| Dorchester to Moore (Oklahoma) | 4,579.72 mi (7,370.34 km) |
| Dorchester to Moorestown-Lenola (New Jersey) | 3,454.21 mi (5,559.02 km) |
| Dorchester to Mooresville (North Carolina) | 3,893.82 mi (6,266.50 km) |
| Dorchester to Moorhead (Minnesota) | 3,996.18 mi (6,431.23 km) |
| Dorchester to Moorpark (California) | 5,408.82 mi (8,704.65 km) |
| Dorchester to Moraga (California) | 5,310.88 mi (8,547.04 km) |
| Dorchester to Moreno Valley (California) | 5,373.27 mi (8,647.44 km) |
| Dorchester to Morgan City (Louisiana) | 4,608.78 mi (7,417.12 km) |
| Dorchester to Morgan Hill (California) | 5,336.51 mi (8,588.28 km) |
| Dorchester to Morganton (North Carolina) | 3,923.12 mi (6,313.65 km) |
| Dorchester to Morgantown (West Virginia) | 3,674.76 mi (5,913.96 km) |
| Dorchester to Morris (Illinois) | 3,937.54 mi (6,336.86 km) |
