| West Drayton to Sestu | 960.45 mi (1,545.69 km) |
| West Drayton to Settimo Torinese | 579.62 mi (932.81 km) |
| West Drayton to Seveso | 596.33 mi (959.69 km) |
| West Drayton to Sezze | 941.46 mi (1,515.14 km) |
| West Drayton to Siano | 1,032.02 mi (1,660.87 km) |
| West Drayton to Siena | 788.14 mi (1,268.40 km) |
| West Drayton to Signa | 756.20 mi (1,216.99 km) |
| West Drayton to Silea | 708.09 mi (1,139.57 km) |
| West Drayton to Silvi Paese | 921.27 mi (1,482.64 km) |
| West Drayton to Sinalunga | 806.57 mi (1,298.06 km) |
| West Drayton to Siniscola | 896.90 mi (1,443.43 km) |
| West Drayton to Sinnai | 962.82 mi (1,549.51 km) |
| West Drayton to Siracusa | 1,259.95 mi (2,027.69 km) |
| West Drayton to Solaro | 595.96 mi (959.11 km) |
| West Drayton to Soliera | 701.77 mi (1,129.39 km) |
