| Siran to Collegno | 1,628.21 mi (2,620.36 km) |
| Siran to Cologno al Serio | 1,526.26 mi (2,456.28 km) |
| Siran to Cologno Monzese | 1,546.41 mi (2,488.70 km) |
| Siran to Colorno | 1,490.67 mi (2,399.01 km) |
| Siran to Comacchio | 1,401.74 mi (2,255.88 km) |
| Siran to Comiso | 1,339.29 mi (2,155.39 km) |
| Siran to Como | 1,556.82 mi (2,505.46 km) |
| Siran to Concordia Sagittaria | 1,375.98 mi (2,214.42 km) |
| Siran to Concorezzo | 1,543.86 mi (2,484.61 km) |
| Siran to Conegliano | 1,403.38 mi (2,258.51 km) |
| Siran to Conselice | 1,418.28 mi (2,282.50 km) |
| Siran to Conselve | 1,419.72 mi (2,284.81 km) |
| Siran to Conversano | 1,153.23 mi (1,855.95 km) |
| Siran to Copertino | 1,109.20 mi (1,785.09 km) |
| Siran to Copparo | 1,419.71 mi (2,284.80 km) |
