| Nailsea to Sestu | 1,013.83 mi (1,631.60 km) |
| Nailsea to Settimo Torinese | 649.65 mi (1,045.52 km) |
| Nailsea to Seveso | 674.02 mi (1,084.72 km) |
| Nailsea to Sezze | 1,014.90 mi (1,633.32 km) |
| Nailsea to Siano | 1,107.57 mi (1,782.47 km) |
| Nailsea to Siena | 862.77 mi (1,388.49 km) |
| Nailsea to Signa | 831.89 mi (1,338.80 km) |
| Nailsea to Silea | 793.81 mi (1,277.52 km) |
| Nailsea to Silvi Paese | 1,000.51 mi (1,610.17 km) |
| Nailsea to Sinalunga | 881.99 mi (1,419.42 km) |
| Nailsea to Siniscola | 956.42 mi (1,539.21 km) |
| Nailsea to Sinnai | 1,016.65 mi (1,636.15 km) |
| Nailsea to Siracusa | 1,327.78 mi (2,136.86 km) |
| Nailsea to Solaro | 673.34 mi (1,083.63 km) |
| Nailsea to Soliera | 780.74 mi (1,256.48 km) |
