| West Springfield to Solofra | 4,640.42 mi (7,468.04 km) |
| West Springfield to Somma Lombardo | 4,205.72 mi (6,768.44 km) |
| West Springfield to Somma Vesuviana | 4,620.71 mi (7,436.31 km) |
| West Springfield to Sommacampagna | 4,306.91 mi (6,931.30 km) |
| West Springfield to Sona | 4,305.10 mi (6,928.39 km) |
| West Springfield to Sondrio | 4,240.27 mi (6,824.06 km) |
| West Springfield to Sora | 4,553.82 mi (7,328.67 km) |
| West Springfield to Sorbolo | 4,307.90 mi (6,932.89 km) |
| West Springfield to Soresina | 4,268.09 mi (6,868.82 km) |
| West Springfield to Sorisole | 4,244.98 mi (6,831.64 km) |
| West Springfield to Sorrento | 4,626.89 mi (7,446.25 km) |
| West Springfield to Sorso | 4,359.94 mi (7,016.65 km) |
| West Springfield to Sortino | 4,786.51 mi (7,703.14 km) |
| West Springfield to Soverato Marina | 4,797.13 mi (7,720.23 km) |
| West Springfield to Sovicille | 4,394.31 mi (7,071.96 km) |
