| Summit to Sestu | 4,236.47 mi (6,817.93 km) |
| Summit to Settimo Torinese | 3,981.20 mi (6,407.13 km) |
| Summit to Seveso | 4,023.98 mi (6,475.97 km) |
| Summit to Sezze | 4,336.52 mi (6,978.95 km) |
| Summit to Siano | 4,433.86 mi (7,135.60 km) |
| Summit to Siena | 4,196.17 mi (6,753.08 km) |
| Summit to Signa | 4,170.15 mi (6,711.21 km) |
| Summit to Silea | 4,157.74 mi (6,691.24 km) |
| Summit to Silvi Paese | 4,344.36 mi (6,991.57 km) |
| Summit to Sinalunga | 4,217.18 mi (6,786.90 km) |
| Summit to Siniscola | 4,219.04 mi (6,789.89 km) |
| Summit to Sinnai | 4,241.46 mi (6,825.97 km) |
| Summit to Siracusa | 4,602.83 mi (7,407.54 km) |
| Summit to Solaro | 4,022.60 mi (6,473.75 km) |
| Summit to Soliera | 4,130.26 mi (6,647.02 km) |
