| Gravelines to Catania | 1,127.73 mi (1,814.91 km) |
| Gravelines to Catanzaro | 1,090.67 mi (1,755.26 km) |
| Gravelines to Cattolica | 691.93 mi (1,113.55 km) |
| Gravelines to Cava de' Tirreni | 930.83 mi (1,498.02 km) |
| Gravelines to Cavallino | 1,066.21 mi (1,715.90 km) |
| Gravelines to Cavarzere | 611.12 mi (983.50 km) |
| Gravelines to Cave | 814.64 mi (1,311.03 km) |
| Gravelines to Cavriago | 582.87 mi (938.05 km) |
| Gravelines to Cavriglia | 676.34 mi (1,088.46 km) |
| Gravelines to Cazzago San Martino | 520.32 mi (837.38 km) |
| Gravelines to Ceccano | 840.67 mi (1,352.93 km) |
| Gravelines to Cecina | 659.56 mi (1,061.45 km) |
| Gravelines to Cefalu | 1,066.69 mi (1,716.67 km) |
| Gravelines to Ceglie Messapico | 1,024.74 mi (1,649.16 km) |
| Gravelines to Celano | 818.64 mi (1,317.47 km) |
