| West Mifflin to Montgomeryville (Pennsylvania) | 245.99 mi (395.88 km) |
| West Mifflin to Monticello (Minnesota) | 780.95 mi (1,256.81 km) |
| West Mifflin to Montrose (Colorado) | 1,491.55 mi (2,400.41 km) |
| West Mifflin to Moody (Alabama) | 591.54 mi (952.00 km) |
| West Mifflin to Moore (Oklahoma) | 1,017.45 mi (1,637.42 km) |
| West Mifflin to Moorestown-Lenola (New Jersey) | 262.37 mi (422.25 km) |
| West Mifflin to Mooresville (North Carolina) | 333.58 mi (536.85 km) |
| West Mifflin to Moorhead (Minnesota) | 952.13 mi (1,532.31 km) |
| West Mifflin to Moorpark (California) | 2,163.90 mi (3,482.45 km) |
| West Mifflin to Moraga (California) | 2,248.71 mi (3,618.95 km) |
| West Mifflin to Moreno Valley (California) | 2,085.64 mi (3,356.51 km) |
| West Mifflin to Morgan City (Louisiana) | 972.70 mi (1,565.41 km) |
| West Mifflin to Morgan Hill (California) | 2,239.18 mi (3,603.61 km) |
| West Mifflin to Morganton (North Carolina) | 333.58 mi (536.85 km) |
| West Mifflin to Morgantown (West Virginia) | 49.78 mi (80.11 km) |
