| Middletown to Monticello (Minnesota) | 625.38 mi (1,006.45 km) |
| Middletown to Montrose (Colorado) | 1,260.17 mi (2,028.05 km) |
| Middletown to Moody (Alabama) | 424.73 mi (683.53 km) |
| Middletown to Moore (Oklahoma) | 774.13 mi (1,245.84 km) |
| Middletown to Moorestown-Lenola (New Jersey) | 500.33 mi (805.20 km) |
| Middletown to Mooresville (North Carolina) | 332.95 mi (535.83 km) |
| Middletown to Moorhead (Minnesota) | 803.26 mi (1,292.72 km) |
| Middletown to Moorpark (California) | 1,928.54 mi (3,103.69 km) |
| Middletown to Moraga (California) | 2,024.97 mi (3,258.88 km) |
| Middletown to Moreno Valley (California) | 1,848.47 mi (2,974.83 km) |
| Middletown to Morgan City (Louisiana) | 779.85 mi (1,255.04 km) |
| Middletown to Morgan Hill (California) | 2,012.93 mi (3,239.50 km) |
| Middletown to Morganton (North Carolina) | 298.06 mi (479.68 km) |
| Middletown to Morgantown (West Virginia) | 235.54 mi (379.07 km) |
| Middletown to Morris (Illinois) | 249.77 mi (401.97 km) |
