| West Mifflin to Solofra | 4,694.10 mi (7,554.43 km) |
| West Mifflin to Somma Lombardo | 4,253.27 mi (6,844.98 km) |
| West Mifflin to Somma Vesuviana | 4,674.84 mi (7,523.43 km) |
| West Mifflin to Sommacampagna | 4,352.79 mi (7,005.14 km) |
| West Mifflin to Sona | 4,350.91 mi (7,002.11 km) |
| West Mifflin to Sondrio | 4,285.01 mi (6,896.05 km) |
| West Mifflin to Sora | 4,606.75 mi (7,413.85 km) |
| West Mifflin to Sorbolo | 4,355.90 mi (7,010.14 km) |
| West Mifflin to Soresina | 4,315.49 mi (6,945.11 km) |
| West Mifflin to Sorisole | 4,291.27 mi (6,906.13 km) |
| West Mifflin to Sorrento | 4,681.77 mi (7,534.58 km) |
| West Mifflin to Sorso | 4,421.96 mi (7,116.46 km) |
| West Mifflin to Sortino | 4,849.59 mi (7,804.66 km) |
| West Mifflin to Soverato Marina | 4,854.13 mi (7,811.97 km) |
| West Mifflin to Sovicille | 4,445.90 mi (7,154.98 km) |
