| Somerset to Sestu | 4,249.64 mi (6,839.13 km) |
| Somerset to Settimo Torinese | 3,995.17 mi (6,429.60 km) |
| Somerset to Seveso | 4,038.08 mi (6,498.67 km) |
| Somerset to Sezze | 4,350.27 mi (7,001.09 km) |
| Somerset to Siano | 4,447.62 mi (7,157.76 km) |
| Somerset to Siena | 4,210.07 mi (6,775.45 km) |
| Somerset to Signa | 4,184.10 mi (6,733.66 km) |
| Somerset to Silea | 4,172.00 mi (6,714.19 km) |
| Somerset to Silvi Paese | 4,358.32 mi (7,014.04 km) |
| Somerset to Sinalunga | 4,231.09 mi (6,809.28 km) |
| Somerset to Siniscola | 4,232.45 mi (6,811.46 km) |
| Somerset to Sinnai | 4,254.64 mi (6,847.18 km) |
| Somerset to Siracusa | 4,616.13 mi (7,428.95 km) |
| Somerset to Solaro | 4,036.70 mi (6,496.44 km) |
| Somerset to Soliera | 4,144.33 mi (6,669.66 km) |
