| West Carson to Solofra | 6,479.36 mi (10,427.52 km) |
| West Carson to Somma Lombardo | 6,024.22 mi (9,695.05 km) |
| West Carson to Somma Vesuviana | 6,464.05 mi (10,402.89 km) |
| West Carson to Sommacampagna | 6,107.12 mi (9,828.46 km) |
| West Carson to Sona | 6,104.84 mi (9,824.79 km) |
| West Carson to Sondrio | 6,036.01 mi (9,714.03 km) |
| West Carson to Sora | 6,391.87 mi (10,286.73 km) |
| West Carson to Sorbolo | 6,123.66 mi (9,855.08 km) |
| West Carson to Soresina | 6,081.78 mi (9,787.68 km) |
| West Carson to Sorisole | 6,051.87 mi (9,739.54 km) |
| West Carson to Sorrento | 6,475.40 mi (10,421.15 km) |
| West Carson to Sorso | 6,272.41 mi (10,094.47 km) |
| West Carson to Sortino | 6,686.49 mi (10,760.87 km) |
| West Carson to Soverato Marina | 6,652.37 mi (10,705.95 km) |
| West Carson to Sovicille | 6,231.34 mi (10,028.38 km) |
