| San Sebastian de la Gomera to Sestu | 1,684.94 mi (2,711.65 km) |
| San Sebastian de la Gomera to Settimo Torinese | 1,800.43 mi (2,897.51 km) |
| San Sebastian de la Gomera to Seveso | 1,875.53 mi (3,018.37 km) |
| San Sebastian de la Gomera to Sezze | 1,932.46 mi (3,109.99 km) |
| San Sebastian de la Gomera to Siano | 1,998.73 mi (3,216.65 km) |
| San Sebastian de la Gomera to Siena | 1,896.47 mi (3,052.08 km) |
| San Sebastian de la Gomera to Signa | 1,899.45 mi (3,056.87 km) |
| San Sebastian de la Gomera to Silea | 2,009.26 mi (3,233.59 km) |
| San Sebastian de la Gomera to Silvi Paese | 2,007.32 mi (3,230.48 km) |
| San Sebastian de la Gomera to Sinalunga | 1,912.10 mi (3,077.23 km) |
| San Sebastian de la Gomera to Siniscola | 1,745.54 mi (2,809.18 km) |
| San Sebastian de la Gomera to Sinnai | 1,690.63 mi (2,720.80 km) |
| San Sebastian de la Gomera to Siracusa | 1,974.37 mi (3,177.43 km) |
| San Sebastian de la Gomera to Solaro | 1,872.30 mi (3,013.18 km) |
| San Sebastian de la Gomera to Soliera | 1,920.93 mi (3,091.43 km) |
