| Siran to Sestu | 1,589.20 mi (2,557.57 km) |
| Siran to Settimo Torinese | 1,618.80 mi (2,605.21 km) |
| Siran to Seveso | 1,553.65 mi (2,500.36 km) |
| Siran to Sezze | 1,359.95 mi (2,188.63 km) |
| Siran to Siano | 1,280.27 mi (2,060.39 km) |
| Siran to Siena | 1,442.08 mi (2,320.80 km) |
| Siran to Signa | 1,453.43 mi (2,339.08 km) |
| Siran to Silea | 1,401.64 mi (2,255.72 km) |
| Siran to Silvi Paese | 1,302.22 mi (2,095.72 km) |
| Siran to Sinalunga | 1,421.98 mi (2,288.45 km) |
| Siran to Siniscola | 1,541.93 mi (2,481.50 km) |
| Siran to Sinnai | 1,583.33 mi (2,548.12 km) |
| Siran to Siracusa | 1,300.61 mi (2,093.13 km) |
| Siran to Solaro | 1,556.12 mi (2,504.34 km) |
| Siran to Soliera | 1,463.60 mi (2,355.43 km) |
