| Siran to Solofra | 1,271.95 mi (2,047.01 km) |
| Siran to Somma Lombardo | 1,574.89 mi (2,534.55 km) |
| Siran to Somma Vesuviana | 1,293.14 mi (2,081.10 km) |
| Siran to Sommacampagna | 1,469.84 mi (2,365.48 km) |
| Siran to Sona | 1,470.81 mi (2,367.04 km) |
| Siran to Sondrio | 1,521.21 mi (2,448.15 km) |
| Siran to Sora | 1,330.47 mi (2,141.18 km) |
| Siran to Sorbolo | 1,487.22 mi (2,393.46 km) |
| Siran to Soresina | 1,517.48 mi (2,442.16 km) |
| Siran to Sorisole | 1,529.06 mi (2,460.79 km) |
| Siran to Sorrento | 1,298.32 mi (2,089.44 km) |
| Siran to Sorso | 1,597.58 mi (2,571.05 km) |
| Siran to Sortino | 1,312.08 mi (2,111.60 km) |
| Siran to Soverato Marina | 1,205.98 mi (1,940.84 km) |
| Siran to Sovicille | 1,447.06 mi (2,328.81 km) |
