| West Mifflin to Malvern (Arkansas) | 819.62 mi (1,319.06 km) |
| West Mifflin to Manassas (Virginia) | 170.42 mi (274.26 km) |
| West Mifflin to Manassas Park (Virginia) | 171.03 mi (275.25 km) |
| West Mifflin to Manatí (Puerto Rico) | 1,712.47 mi (2,755.96 km) |
| West Mifflin to Manchester (Missouri) | 578.09 mi (930.34 km) |
| West Mifflin to Manchester (New Hampshire) | 472.68 mi (760.71 km) |
| West Mifflin to Manchester (Tennessee) | 476.75 mi (767.25 km) |
| West Mifflin to Manchester (Virginia) | 235.48 mi (378.97 km) |
| West Mifflin to Mandan (North Dakota) | 1,136.58 mi (1,829.15 km) |
| West Mifflin to Mandeville (Louisiana) | 895.86 mi (1,441.75 km) |
| West Mifflin to Mango (Florida) | 865.30 mi (1,392.56 km) |
| West Mifflin to Manhattan (Kansas) | 889.04 mi (1,430.78 km) |
| West Mifflin to Manhattan (New York) | 313.13 mi (503.93 km) |
| West Mifflin to Manhattan Beach (California) | 2,149.37 mi (3,459.07 km) |
| West Mifflin to Manitowoc (Wisconsin) | 474.02 mi (762.85 km) |
