| Middlesex to Monticello (Minnesota) | 1,026.34 mi (1,651.73 km) |
| Middlesex to Montrose (Colorado) | 1,773.20 mi (2,853.70 km) |
| Middlesex to Moody (Alabama) | 816.93 mi (1,314.72 km) |
| Middlesex to Moore (Oklahoma) | 1,298.84 mi (2,090.29 km) |
| Middlesex to Moorestown-Lenola (New Jersey) | 48.62 mi (78.25 km) |
| Middlesex to Mooresville (North Carolina) | 486.78 mi (783.39 km) |
| Middlesex to Moorhead (Minnesota) | 1,187.79 mi (1,911.56 km) |
| Middlesex to Moorpark (California) | 2,446.92 mi (3,937.93 km) |
| Middlesex to Moraga (California) | 2,525.34 mi (4,064.14 km) |
| Middlesex to Moreno Valley (California) | 2,369.38 mi (3,813.15 km) |
| Middlesex to Morgan City (Louisiana) | 1,201.96 mi (1,934.37 km) |
| Middlesex to Morgan Hill (California) | 2,517.36 mi (4,051.30 km) |
| Middlesex to Morganton (North Carolina) | 513.98 mi (827.17 km) |
| Middlesex to Morgantown (West Virginia) | 294.89 mi (474.58 km) |
| Middlesex to Morris (Illinois) | 727.94 mi (1,171.51 km) |
