| West Mifflin to Somerset (New Jersey) | 284.47 mi (457.81 km) |
| West Mifflin to Somersworth (New Hampshire) | 505.53 mi (813.57 km) |
| West Mifflin to Somerton (Arizona) | 1,991.71 mi (3,205.34 km) |
| West Mifflin to Somerville (Massachusetts) | 477.42 mi (768.33 km) |
| West Mifflin to Somerville (New Jersey) | 278.85 mi (448.76 km) |
| West Mifflin to Sonoma (California) | 2,256.89 mi (3,632.11 km) |
| West Mifflin to Soquel (California) | 2,258.18 mi (3,634.19 km) |
| West Mifflin to South Bend (Indiana) | 343.87 mi (553.40 km) |
| West Mifflin to South Bradenton (Florida) | 904.06 mi (1,454.95 km) |
| West Mifflin to South Burlington (Vermont) | 443.34 mi (713.48 km) |
| West Mifflin to South Charleston (West Virginia) | 169.48 mi (272.75 km) |
| West Mifflin to South Daytona (Florida) | 775.81 mi (1,248.54 km) |
| West Mifflin to South El Monte (California) | 2,126.67 mi (3,422.54 km) |
| West Mifflin to South Elgin (Illinois) | 451.29 mi (726.28 km) |
| West Mifflin to South Euclid (Ohio) | 116.67 mi (187.77 km) |
