| West Mifflin to Scottsbluff (Nebraska) | 1,236.97 mi (1,990.72 km) |
| West Mifflin to Scottsboro (Alabama) | 518.58 mi (834.57 km) |
| West Mifflin to Scottsdale (Arizona) | 1,811.38 mi (2,915.14 km) |
| West Mifflin to Scranton (Pennsylvania) | 233.08 mi (375.11 km) |
| West Mifflin to Seabrook (Maryland) | 188.39 mi (303.19 km) |
| West Mifflin to Seabrook (Texas) | 1,131.76 mi (1,821.39 km) |
| West Mifflin to Seaford (New York) | 337.58 mi (543.28 km) |
| West Mifflin to Seagoville (Texas) | 1,063.83 mi (1,712.07 km) |
| West Mifflin to Seal Beach (California) | 2,135.96 mi (3,437.50 km) |
| West Mifflin to Searcy (Arkansas) | 735.25 mi (1,183.28 km) |
| West Mifflin to Seaside (California) | 2,260.08 mi (3,637.24 km) |
| West Mifflin to SeaTac (Washington) | 2,138.36 mi (3,441.36 km) |
| West Mifflin to Seattle (Washington) | 2,139.04 mi (3,442.45 km) |
| West Mifflin to Sebastian (Florida) | 869.53 mi (1,399.37 km) |
| West Mifflin to Sebring (Florida) | 894.36 mi (1,439.33 km) |
