| Middle Valley to Cortona | 4,926.33 mi (7,928.17 km) |
| Middle Valley to Cosenza | 5,261.02 mi (8,466.79 km) |
| Middle Valley to Cossato | 4,684.16 mi (7,538.43 km) |
| Middle Valley to Costa Volpino | 4,757.18 mi (7,655.94 km) |
| Middle Valley to Creazzo | 4,825.39 mi (7,765.71 km) |
| Middle Valley to Crema | 4,755.26 mi (7,652.86 km) |
| Middle Valley to Cremona | 4,778.00 mi (7,689.45 km) |
| Middle Valley to Crevalcore | 4,839.71 mi (7,788.76 km) |
| Middle Valley to Crispiano | 5,253.00 mi (8,453.88 km) |
| Middle Valley to Crosia | 5,273.30 mi (8,486.55 km) |
| Middle Valley to Crotone | 5,307.71 mi (8,541.93 km) |
| Middle Valley to Cuneo | 4,696.30 mi (7,557.97 km) |
| Middle Valley to Cuorgne | 4,667.83 mi (7,512.14 km) |
| Middle Valley to Cusano Milanino | 4,727.93 mi (7,608.87 km) |
| Middle Valley to Cutro | 5,303.80 mi (8,535.64 km) |
