| Monroeville to Maryland Heights (Missouri) | 582.30 mi (937.13 km) |
| Monroeville to Marysville (California) | 2,201.29 mi (3,542.64 km) |
| Monroeville to Marysville (Ohio) | 190.06 mi (305.86 km) |
| Monroeville to Marysville (Washington) | 2,134.70 mi (3,435.47 km) |
| Monroeville to Maryville (Missouri) | 794.26 mi (1,278.24 km) |
| Monroeville to Maryville (Tennessee) | 396.32 mi (637.81 km) |
| Monroeville to Mason (Ohio) | 251.81 mi (405.25 km) |
| Monroeville to Mason City (Iowa) | 716.56 mi (1,153.19 km) |
| Monroeville to Massapequa (New York) | 330.58 mi (532.02 km) |
| Monroeville to Massapequa Park (New York) | 331.70 mi (533.82 km) |
| Monroeville to Massillon (Ohio) | 95.82 mi (154.21 km) |
| Monroeville to Mastic (New York) | 363.41 mi (584.86 km) |
| Monroeville to Mastic Beach (New York) | 363.90 mi (585.64 km) |
| Monroeville to Matteson (Illinois) | 423.16 mi (681.01 km) |
| Monroeville to Matthews (North Carolina) | 370.30 mi (595.94 km) |
