| Mount Vernon to Sestu | 4,205.32 mi (6,767.81 km) |
| Mount Vernon to Settimo Torinese | 3,950.33 mi (6,357.44 km) |
| Mount Vernon to Seveso | 3,993.19 mi (6,426.42 km) |
| Mount Vernon to Sezze | 4,305.54 mi (6,929.10 km) |
| Mount Vernon to Siano | 4,402.88 mi (7,085.76 km) |
| Mount Vernon to Siena | 4,165.26 mi (6,703.33 km) |
| Mount Vernon to Signa | 4,139.27 mi (6,661.51 km) |
| Mount Vernon to Silea | 4,127.06 mi (6,641.86 km) |
| Mount Vernon to Silvi Paese | 4,313.48 mi (6,941.88 km) |
| Mount Vernon to Sinalunga | 4,186.28 mi (6,737.16 km) |
| Mount Vernon to Siniscola | 4,187.94 mi (6,739.84 km) |
| Mount Vernon to Sinnai | 4,210.32 mi (6,775.85 km) |
| Mount Vernon to Siracusa | 4,571.71 mi (7,357.46 km) |
| Mount Vernon to Solaro | 3,991.81 mi (6,424.19 km) |
| Mount Vernon to Soliera | 4,099.45 mi (6,597.43 km) |
