| Risca to Cortona | 906.88 mi (1,459.48 km) |
| Risca to Cosenza | 1,258.49 mi (2,025.35 km) |
| Risca to Cossato | 661.28 mi (1,064.23 km) |
| Risca to Costa Volpino | 720.04 mi (1,158.80 km) |
| Risca to Creazzo | 785.35 mi (1,263.91 km) |
| Risca to Crema | 725.08 mi (1,166.90 km) |
| Risca to Cremona | 748.51 mi (1,204.61 km) |
| Risca to Crevalcore | 808.56 mi (1,301.26 km) |
| Risca to Crispiano | 1,228.38 mi (1,976.89 km) |
| Risca to Crosia | 1,263.08 mi (2,032.73 km) |
| Risca to Crotone | 1,300.42 mi (2,092.83 km) |
| Risca to Cuneo | 699.54 mi (1,125.80 km) |
| Risca to Cuorgne | 651.82 mi (1,049.00 km) |
| Risca to Cusano Milanino | 698.50 mi (1,124.12 km) |
| Risca to Cutro | 1,298.26 mi (2,089.34 km) |
