| West Sacramento to Sestu | 6,215.98 mi (10,003.66 km) |
| West Sacramento to Settimo Torinese | 5,852.88 mi (9,419.30 km) |
| West Sacramento to Seveso | 5,864.73 mi (9,438.37 km) |
| West Sacramento to Sezze | 6,211.95 mi (9,997.17 km) |
| West Sacramento to Siano | 6,298.71 mi (10,136.79 km) |
| West Sacramento to Siena | 6,058.28 mi (9,749.86 km) |
| West Sacramento to Signa | 6,025.33 mi (9,696.83 km) |
| West Sacramento to Silea | 5,952.66 mi (9,579.88 km) |
| West Sacramento to Silvi Paese | 6,181.16 mi (9,947.62 km) |
| West Sacramento to Sinalunga | 6,075.60 mi (9,777.73 km) |
| West Sacramento to Siniscola | 6,163.82 mi (9,919.71 km) |
| West Sacramento to Sinnai | 6,219.33 mi (10,009.05 km) |
| West Sacramento to Siracusa | 6,533.20 mi (10,514.17 km) |
| West Sacramento to Solaro | 5,864.77 mi (9,438.43 km) |
| West Sacramento to Soliera | 5,966.43 mi (9,602.05 km) |
