| Siran to Cortona | 1,409.10 mi (2,267.73 km) |
| Siran to Cosenza | 1,213.54 mi (1,953.00 km) |
| Siran to Cossato | 1,600.26 mi (2,575.37 km) |
| Siran to Costa Volpino | 1,508.26 mi (2,427.32 km) |
| Siran to Creazzo | 1,439.98 mi (2,317.42 km) |
| Siran to Crema | 1,526.20 mi (2,456.19 km) |
| Siran to Cremona | 1,508.38 mi (2,427.51 km) |
| Siran to Crevalcore | 1,452.47 mi (2,337.53 km) |
| Siran to Crispiano | 1,149.44 mi (1,849.84 km) |
| Siran to Crosia | 1,183.24 mi (1,904.24 km) |
| Siran to Crotone | 1,170.63 mi (1,883.94 km) |
| Siran to Cuneo | 1,629.36 mi (2,622.20 km) |
| Siran to Cuorgne | 1,624.88 mi (2,614.99 km) |
| Siran to Cusano Milanino | 1,551.08 mi (2,496.22 km) |
| Siran to Cutro | 1,178.35 mi (1,896.38 km) |
