| West Mifflin to Morris (Illinois) | 450.65 mi (725.26 km) |
| West Mifflin to Morristown (New Jersey) | 286.52 mi (461.11 km) |
| West Mifflin to Morristown (Tennessee) | 340.86 mi (548.56 km) |
| West Mifflin to Morrisville (North Carolina) | 317.78 mi (511.42 km) |
| West Mifflin to Morro Bay (California) | 2,239.49 mi (3,604.10 km) |
| West Mifflin to Morton (Illinois) | 502.42 mi (808.57 km) |
| West Mifflin to Morton Grove (Illinois) | 425.77 mi (685.20 km) |
| West Mifflin to Moscow (Idaho) | 1,890.31 mi (3,042.16 km) |
| West Mifflin to Moses Lake (Washington) | 1,997.47 mi (3,214.61 km) |
| West Mifflin to Moss Bluff (Louisiana) | 1,019.79 mi (1,641.19 km) |
| West Mifflin to Moss Point (Mississippi) | 839.82 mi (1,351.56 km) |
| West Mifflin to Moultrie (Georgia) | 671.29 mi (1,080.34 km) |
| West Mifflin to Mounds View (Minnesota) | 749.28 mi (1,205.85 km) |
| West Mifflin to Mount Airy (North Carolina) | 268.74 mi (432.50 km) |
| West Mifflin to Mount Clemens (Michigan) | 218.28 mi (351.29 km) |
