| West Mifflin to Secaucus (New Jersey) | 307.91 mi (495.54 km) |
| West Mifflin to Security-Widefield (Colorado) | 1,321.86 mi (2,127.33 km) |
| West Mifflin to Sedalia (Missouri) | 718.57 mi (1,156.43 km) |
| West Mifflin to Sedro-Woolley (Washington) | 2,133.11 mi (3,432.91 km) |
| West Mifflin to Seguin (Texas) | 1,260.43 mi (2,028.46 km) |
| West Mifflin to Selden (New York) | 361.49 mi (581.76 km) |
| West Mifflin to Selma (Alabama) | 676.36 mi (1,088.49 km) |
| West Mifflin to Selma (California) | 2,145.90 mi (3,453.49 km) |
| West Mifflin to Selma (Texas) | 1,276.26 mi (2,053.94 km) |
| West Mifflin to Seminole (Florida) | 880.05 mi (1,416.31 km) |
| West Mifflin to Seven Hills (Ohio) | 116.21 mi (187.02 km) |
| West Mifflin to Seven Oaks (South Carolina) | 441.28 mi (710.17 km) |
| West Mifflin to Severn (Maryland) | 190.37 mi (306.37 km) |
| West Mifflin to Severna Park (Maryland) | 197.95 mi (318.57 km) |
| West Mifflin to Sevierville (Tennessee) | 367.36 mi (591.20 km) |
