| Basingstoke to Sestu | 961.58 mi (1,547.52 km) |
| Basingstoke to Settimo Torinese | 587.30 mi (945.17 km) |
| Basingstoke to Seveso | 607.71 mi (978.02 km) |
| Basingstoke to Sezze | 951.07 mi (1,530.60 km) |
| Basingstoke to Siano | 1,042.67 mi (1,678.02 km) |
| Basingstoke to Siena | 798.21 mi (1,284.59 km) |
| Basingstoke to Signa | 766.76 mi (1,233.97 km) |
| Basingstoke to Silea | 723.88 mi (1,164.98 km) |
| Basingstoke to Silvi Paese | 933.69 mi (1,502.62 km) |
| Basingstoke to Sinalunga | 817.03 mi (1,314.89 km) |
| Basingstoke to Siniscola | 900.42 mi (1,449.09 km) |
| Basingstoke to Sinnai | 964.13 mi (1,551.62 km) |
| Basingstoke to Siracusa | 1,267.19 mi (2,039.34 km) |
| Basingstoke to Solaro | 607.19 mi (977.18 km) |
| Basingstoke to Soliera | 713.91 mi (1,148.92 km) |
