| Western Springs to Sestu | 4,794.59 mi (7,716.15 km) |
| Western Springs to Settimo Torinese | 4,500.34 mi (7,242.59 km) |
| Western Springs to Seveso | 4,534.12 mi (7,296.96 km) |
| Western Springs to Sezze | 4,864.13 mi (7,828.06 km) |
| Western Springs to Siano | 4,960.12 mi (7,982.54 km) |
| Western Springs to Siena | 4,716.78 mi (7,590.93 km) |
| Western Springs to Signa | 4,688.03 mi (7,544.66 km) |
| Western Springs to Silea | 4,656.27 mi (7,493.55 km) |
| Western Springs to Silvi Paese | 4,860.13 mi (7,821.63 km) |
| Western Springs to Sinalunga | 4,737.07 mi (7,623.58 km) |
| Western Springs to Siniscola | 4,766.03 mi (7,670.19 km) |
| Western Springs to Sinnai | 4,799.16 mi (7,723.50 km) |
| Western Springs to Siracusa | 5,152.18 mi (8,291.63 km) |
| Western Springs to Solaro | 4,533.16 mi (7,295.42 km) |
| Western Springs to Soliera | 4,641.27 mi (7,469.41 km) |
