| London to Sestu | 952.97 mi (1,533.66 km) |
| London to Settimo Torinese | 569.85 mi (917.09 km) |
| London to Seveso | 585.28 mi (941.92 km) |
| London to Sezze | 930.89 mi (1,498.12 km) |
| London to Siano | 1,021.08 mi (1,643.26 km) |
| London to Siena | 777.46 mi (1,251.19 km) |
| London to Signa | 745.36 mi (1,199.54 km) |
| London to Silea | 695.67 mi (1,119.57 km) |
| London to Silvi Paese | 909.79 mi (1,464.17 km) |
| London to Sinalunga | 795.75 mi (1,280.64 km) |
| London to Siniscola | 888.52 mi (1,429.94 km) |
| London to Sinnai | 955.27 mi (1,537.36 km) |
| London to Siracusa | 1,250.12 mi (2,011.88 km) |
| London to Solaro | 584.97 mi (941.41 km) |
| London to Soliera | 690.44 mi (1,111.15 km) |
