| Buckhurst Hill to Sestu | 956.75 mi (1,539.75 km) |
| Buckhurst Hill to Settimo Torinese | 571.58 mi (919.88 km) |
| Buckhurst Hill to Seveso | 585.59 mi (942.42 km) |
| Buckhurst Hill to Sezze | 931.67 mi (1,499.38 km) |
| Buckhurst Hill to Siano | 1,021.43 mi (1,643.83 km) |
| Buckhurst Hill to Siena | 778.14 mi (1,252.29 km) |
| Buckhurst Hill to Signa | 745.88 mi (1,200.37 km) |
| Buckhurst Hill to Silea | 694.13 mi (1,117.09 km) |
| Buckhurst Hill to Silvi Paese | 909.51 mi (1,463.71 km) |
| Buckhurst Hill to Sinalunga | 796.27 mi (1,281.48 km) |
| Buckhurst Hill to Siniscola | 891.52 mi (1,434.76 km) |
| Buckhurst Hill to Sinnai | 958.99 mi (1,543.35 km) |
| Buckhurst Hill to Siracusa | 1,251.69 mi (2,014.40 km) |
| Buckhurst Hill to Solaro | 585.34 mi (942.02 km) |
| Buckhurst Hill to Soliera | 690.37 mi (1,111.05 km) |
