| Pont-y-pwl to Sestu | 1,036.08 mi (1,667.42 km) |
| Pont-y-pwl to Settimo Torinese | 670.79 mi (1,079.54 km) |
| Pont-y-pwl to Seveso | 694.25 mi (1,117.28 km) |
| Pont-y-pwl to Sezze | 1,035.81 mi (1,666.97 km) |
| Pont-y-pwl to Siano | 1,128.25 mi (1,815.74 km) |
| Pont-y-pwl to Siena | 883.50 mi (1,421.85 km) |
| Pont-y-pwl to Signa | 852.48 mi (1,371.93 km) |
| Pont-y-pwl to Silea | 812.63 mi (1,307.81 km) |
| Pont-y-pwl to Silvi Paese | 1,020.64 mi (1,642.55 km) |
| Pont-y-pwl to Sinalunga | 902.62 mi (1,452.63 km) |
| Pont-y-pwl to Siniscola | 978.43 mi (1,574.63 km) |
| Pont-y-pwl to Sinnai | 1,038.90 mi (1,671.95 km) |
| Pont-y-pwl to Siracusa | 1,349.30 mi (2,171.49 km) |
| Pont-y-pwl to Solaro | 693.62 mi (1,116.27 km) |
| Pont-y-pwl to Soliera | 800.83 mi (1,288.81 km) |
