| Gravelines to Corbetta | 492.63 mi (792.80 km) |
| Gravelines to Corciano | 721.80 mi (1,161.62 km) |
| Gravelines to Cordenons | 594.00 mi (955.95 km) |
| Gravelines to Cori | 823.77 mi (1,325.73 km) |
| Gravelines to Coriano | 687.53 mi (1,106.46 km) |
| Gravelines to Corigliano Calabro | 1,048.92 mi (1,688.08 km) |
| Gravelines to Corleone | 1,061.36 mi (1,708.09 km) |
| Gravelines to Cormano | 495.43 mi (797.32 km) |
| Gravelines to Cornaredo | 494.20 mi (795.34 km) |
| Gravelines to Cornate d'Adda | 499.18 mi (803.35 km) |
| Gravelines to Cornedo Vicentino | 562.56 mi (905.36 km) |
| Gravelines to Correggio | 586.87 mi (944.47 km) |
| Gravelines to Corridonia | 754.99 mi (1,215.04 km) |
| Gravelines to Corsico | 500.32 mi (805.18 km) |
| Gravelines to Cortona | 704.94 mi (1,134.49 km) |
