| Sun Valley to Sestu | 6,100.82 mi (9,818.32 km) |
| Sun Valley to Settimo Torinese | 5,739.44 mi (9,236.73 km) |
| Sun Valley to Seveso | 5,752.04 mi (9,257.01 km) |
| Sun Valley to Sezze | 6,099.20 mi (9,815.71 km) |
| Sun Valley to Siano | 6,186.41 mi (9,956.06 km) |
| Sun Valley to Siena | 5,945.51 mi (9,568.38 km) |
| Sun Valley to Signa | 5,912.66 mi (9,515.50 km) |
| Sun Valley to Silea | 5,841.31 mi (9,400.67 km) |
| Sun Valley to Silvi Paese | 6,069.31 mi (9,767.61 km) |
| Sun Valley to Sinalunga | 5,962.96 mi (9,596.46 km) |
| Sun Valley to Siniscola | 6,049.34 mi (9,735.47 km) |
| Sun Valley to Sinnai | 6,104.21 mi (9,823.78 km) |
| Sun Valley to Siracusa | 6,419.75 mi (10,331.60 km) |
| Sun Valley to Solaro | 5,752.04 mi (9,257.02 km) |
| Sun Valley to Soliera | 5,854.09 mi (9,421.24 km) |
