| Colonia to Sestu | 4,238.26 mi (6,820.83 km) |
| Colonia to Settimo Torinese | 3,983.81 mi (6,411.32 km) |
| Colonia to Seveso | 4,026.74 mi (6,480.41 km) |
| Colonia to Sezze | 4,338.90 mi (6,982.79 km) |
| Colonia to Siano | 4,436.25 mi (7,139.46 km) |
| Colonia to Siena | 4,198.70 mi (6,757.16 km) |
| Colonia to Signa | 4,172.74 mi (6,715.38 km) |
| Colonia to Silea | 4,160.68 mi (6,695.97 km) |
| Colonia to Silvi Paese | 4,346.96 mi (6,995.76 km) |
| Colonia to Sinalunga | 4,219.73 mi (6,791.00 km) |
| Colonia to Siniscola | 4,221.07 mi (6,793.15 km) |
| Colonia to Sinnai | 4,243.26 mi (6,828.87 km) |
| Colonia to Siracusa | 4,604.75 mi (7,410.64 km) |
| Colonia to Solaro | 4,025.35 mi (6,478.18 km) |
| Colonia to Soliera | 4,132.99 mi (6,651.40 km) |
