| Middletown to Morristown (New Jersey) | 529.53 mi (852.20 km) |
| Middletown to Morristown (Tennessee) | 235.23 mi (378.57 km) |
| Middletown to Morrisville (North Carolina) | 394.42 mi (634.76 km) |
| Middletown to Morro Bay (California) | 2,007.94 mi (3,231.46 km) |
| Middletown to Morton (Illinois) | 280.40 mi (451.27 km) |
| Middletown to Morton Grove (Illinois) | 250.67 mi (403.41 km) |
| Middletown to Moscow (Idaho) | 1,706.02 mi (2,745.57 km) |
| Middletown to Moses Lake (Washington) | 1,815.31 mi (2,921.45 km) |
| Middletown to Moss Bluff (Louisiana) | 808.32 mi (1,300.87 km) |
| Middletown to Moss Point (Mississippi) | 669.92 mi (1,078.13 km) |
| Middletown to Moultrie (Georgia) | 577.50 mi (929.39 km) |
| Middletown to Mounds View (Minnesota) | 594.38 mi (956.56 km) |
| Middletown to Mount Airy (North Carolina) | 290.65 mi (467.76 km) |
| Middletown to Mount Clemens (Michigan) | 227.34 mi (365.87 km) |
| Middletown to Mount Dora (Florida) | 754.76 mi (1,214.67 km) |
