| Valley to Cortona | 5,032.65 mi (8,099.27 km) |
| Valley to Cosenza | 5,363.45 mi (8,631.64 km) |
| Valley to Cossato | 4,792.09 mi (7,712.12 km) |
| Valley to Costa Volpino | 4,867.09 mi (7,832.82 km) |
| Valley to Creazzo | 4,935.76 mi (7,943.34 km) |
| Valley to Crema | 4,863.93 mi (7,827.73 km) |
| Valley to Cremona | 4,886.46 mi (7,864.00 km) |
| Valley to Crevalcore | 4,948.21 mi (7,963.37 km) |
| Valley to Crispiano | 5,358.85 mi (8,624.24 km) |
| Valley to Crosia | 5,376.75 mi (8,653.04 km) |
| Valley to Crotone | 5,410.59 mi (8,707.50 km) |
| Valley to Cuneo | 4,801.29 mi (7,726.94 km) |
| Valley to Cuorgne | 4,775.00 mi (7,684.63 km) |
| Valley to Cusano Milanino | 4,836.58 mi (7,783.73 km) |
| Valley to Cutro | 5,406.44 mi (8,700.83 km) |
