| Grays to Cortona | 784.62 mi (1,262.72 km) |
| Grays to Cosenza | 1,137.22 mi (1,830.18 km) |
| Grays to Cossato | 542.77 mi (873.51 km) |
| Grays to Costa Volpino | 591.50 mi (951.93 km) |
| Grays to Creazzo | 653.94 mi (1,052.42 km) |
| Grays to Crema | 600.83 mi (966.94 km) |
| Grays to Cremona | 624.21 mi (1,004.56 km) |
| Grays to Crevalcore | 682.33 mi (1,098.10 km) |
| Grays to Crispiano | 1,100.48 mi (1,771.06 km) |
| Grays to Crosia | 1,139.52 mi (1,833.88 km) |
| Grays to Crotone | 1,177.35 mi (1,894.76 km) |
| Grays to Cuneo | 592.51 mi (953.55 km) |
| Grays to Cuorgne | 537.39 mi (864.85 km) |
| Grays to Cusano Milanino | 575.25 mi (925.77 km) |
| Grays to Cutro | 1,175.70 mi (1,892.11 km) |
