| South Valley to Sestu | 5,870.48 mi (9,447.62 km) |
| South Valley to Settimo Torinese | 5,552.27 mi (8,935.52 km) |
| South Valley to Seveso | 5,579.03 mi (8,978.57 km) |
| South Valley to Sezze | 5,918.17 mi (9,524.38 km) |
| South Valley to Siano | 6,012.11 mi (9,675.56 km) |
| South Valley to Siena | 5,767.27 mi (9,281.53 km) |
| South Valley to Signa | 5,736.83 mi (9,232.54 km) |
| South Valley to Silea | 5,690.67 mi (9,158.24 km) |
| South Valley to Silvi Paese | 5,905.28 mi (9,503.63 km) |
| South Valley to Sinalunga | 5,786.79 mi (9,312.93 km) |
| South Valley to Siniscola | 5,834.78 mi (9,390.17 km) |
| South Valley to Sinnai | 5,874.73 mi (9,454.47 km) |
| South Valley to Siracusa | 6,219.20 mi (10,008.84 km) |
| South Valley to Solaro | 5,578.40 mi (8,977.56 km) |
| South Valley to Soliera | 5,685.48 mi (9,149.90 km) |
