| Pontneddfechan to Sestu | 1,053.79 mi (1,695.90 km) |
| Pontneddfechan to Settimo Torinese | 691.54 mi (1,112.92 km) |
| Pontneddfechan to Seveso | 716.06 mi (1,152.38 km) |
| Pontneddfechan to Sezze | 1,056.86 mi (1,700.85 km) |
| Pontneddfechan to Siano | 1,149.60 mi (1,850.10 km) |
| Pontneddfechan to Siena | 904.78 mi (1,456.10 km) |
| Pontneddfechan to Signa | 873.93 mi (1,406.46 km) |
| Pontneddfechan to Silea | 835.43 mi (1,344.50 km) |
| Pontneddfechan to Silvi Paese | 1,042.55 mi (1,677.82 km) |
| Pontneddfechan to Sinalunga | 924.02 mi (1,487.06 km) |
| Pontneddfechan to Siniscola | 997.25 mi (1,604.91 km) |
| Pontneddfechan to Sinnai | 1,056.68 mi (1,700.56 km) |
| Pontneddfechan to Siracusa | 1,369.36 mi (2,203.78 km) |
| Pontneddfechan to Solaro | 715.38 mi (1,151.30 km) |
| Pontneddfechan to Soliera | 822.77 mi (1,324.12 km) |
