| Wealdstone to Sestu | 962.85 mi (1,549.56 km) |
| Wealdstone to Settimo Torinese | 580.40 mi (934.06 km) |
| Wealdstone to Seveso | 596.05 mi (959.24 km) |
| Wealdstone to Sezze | 941.59 mi (1,515.35 km) |
| Wealdstone to Siano | 1,031.83 mi (1,660.57 km) |
| Wealdstone to Siena | 788.18 mi (1,268.45 km) |
| Wealdstone to Signa | 756.10 mi (1,216.83 km) |
| Wealdstone to Silea | 706.46 mi (1,136.94 km) |
| Wealdstone to Silvi Paese | 920.60 mi (1,481.56 km) |
| Wealdstone to Sinalunga | 806.49 mi (1,297.92 km) |
| Wealdstone to Siniscola | 898.70 mi (1,446.32 km) |
| Wealdstone to Sinnai | 965.18 mi (1,553.30 km) |
| Wealdstone to Siracusa | 1,260.69 mi (2,028.89 km) |
| Wealdstone to Solaro | 595.73 mi (958.73 km) |
| Wealdstone to Soliera | 701.23 mi (1,128.52 km) |
