| West Mifflin to Sunset (Florida) | 1,012.69 mi (1,629.76 km) |
| West Mifflin to Superior (Colorado) | 1,329.44 mi (2,139.53 km) |
| West Mifflin to Superior (Wisconsin) | 749.39 mi (1,206.03 km) |
| West Mifflin to Surprise (Arizona) | 1,842.33 mi (2,964.95 km) |
| West Mifflin to Susanville (California) | 2,122.74 mi (3,416.23 km) |
| West Mifflin to Sussex (Wisconsin) | 469.34 mi (755.34 km) |
| West Mifflin to Suwanee (Georgia) | 492.14 mi (792.03 km) |
| West Mifflin to Swansea (Illinois) | 551.65 mi (887.80 km) |
| West Mifflin to Sweetwater (Florida) | 1,007.71 mi (1,621.76 km) |
| West Mifflin to Sweetwater (Texas) | 1,259.48 mi (2,026.94 km) |
| West Mifflin to Sycamore (Illinois) | 469.92 mi (756.26 km) |
| West Mifflin to Sylacauga (Alabama) | 607.69 mi (977.98 km) |
| West Mifflin to Sylvania (Ohio) | 219.03 mi (352.50 km) |
| West Mifflin to Syosset (New York) | 337.50 mi (543.15 km) |
| West Mifflin to Syracuse (New York) | 268.37 mi (431.90 km) |
