| West Mifflin to Maryland Heights (Missouri) | 573.99 mi (923.75 km) |
| West Mifflin to Marysville (California) | 2,194.67 mi (3,531.98 km) |
| West Mifflin to Marysville (Ohio) | 182.14 mi (293.13 km) |
| West Mifflin to Marysville (Washington) | 2,130.19 mi (3,428.21 km) |
| West Mifflin to Maryville (Missouri) | 786.94 mi (1,266.46 km) |
| West Mifflin to Maryville (Tennessee) | 387.95 mi (624.34 km) |
| West Mifflin to Mason (Ohio) | 243.12 mi (391.26 km) |
| West Mifflin to Mason City (Iowa) | 710.89 mi (1,144.06 km) |
| West Mifflin to Massapequa (New York) | 338.71 mi (545.10 km) |
| West Mifflin to Massapequa Park (New York) | 339.84 mi (546.92 km) |
| West Mifflin to Massillon (Ohio) | 89.87 mi (144.63 km) |
| West Mifflin to Mastic (New York) | 371.64 mi (598.09 km) |
| West Mifflin to Mastic Beach (New York) | 372.10 mi (598.83 km) |
| West Mifflin to Matteson (Illinois) | 416.71 mi (670.63 km) |
| West Mifflin to Matthews (North Carolina) | 364.60 mi (586.76 km) |
