| West Mifflin to Missouri City (Texas) | 1,154.22 mi (1,857.54 km) |
| West Mifflin to Mitchell (South Dakota) | 956.66 mi (1,539.60 km) |
| West Mifflin to Mitchellville (Maryland) | 191.63 mi (308.40 km) |
| West Mifflin to Moberly (Missouri) | 666.84 mi (1,073.17 km) |
| West Mifflin to Mobile (Alabama) | 811.80 mi (1,306.47 km) |
| West Mifflin to Modesto (California) | 2,194.88 mi (3,532.32 km) |
| West Mifflin to Mokena (Illinois) | 423.66 mi (681.82 km) |
| West Mifflin to Moline (Illinois) | 557.68 mi (897.50 km) |
| West Mifflin to Moncks Corner (South Carolina) | 496.48 mi (799.00 km) |
| West Mifflin to Monfort Heights (Ohio) | 262.46 mi (422.38 km) |
| West Mifflin to Monmouth (Oregon) | 2,198.42 mi (3,538.01 km) |
| West Mifflin to Monroe (Georgia) | 499.32 mi (803.59 km) |
| West Mifflin to Monroe (Louisiana) | 865.18 mi (1,392.37 km) |
| West Mifflin to Monroe (Michigan) | 210.51 mi (338.79 km) |
| West Mifflin to Monroe (North Carolina) | 371.49 mi (597.85 km) |
