| Somerville to Sestu | 4,033.32 mi (6,491.01 km) |
| Somerville to Settimo Torinese | 3,776.67 mi (6,077.96 km) |
| Somerville to Seveso | 3,819.39 mi (6,146.71 km) |
| Somerville to Sezze | 4,132.18 mi (6,650.09 km) |
| Somerville to Siano | 4,229.50 mi (6,806.73 km) |
| Somerville to Siena | 3,991.67 mi (6,423.98 km) |
| Somerville to Signa | 3,965.62 mi (6,382.05 km) |
| Somerville to Silea | 3,953.17 mi (6,362.02 km) |
| Somerville to Silvi Paese | 4,139.82 mi (6,662.40 km) |
| Somerville to Sinalunga | 4,012.68 mi (6,457.79 km) |
| Somerville to Siniscola | 4,015.32 mi (6,462.03 km) |
| Somerville to Sinnai | 4,038.29 mi (6,499.00 km) |
| Somerville to Siracusa | 4,399.35 mi (7,080.06 km) |
| Somerville to Solaro | 3,818.01 mi (6,144.49 km) |
| Somerville to Soliera | 3,925.68 mi (6,317.76 km) |
