| Gravelines to Busto Garolfo | 487.28 mi (784.19 km) |
| Gravelines to Cabras | 823.61 mi (1,325.46 km) |
| Gravelines to Cadelbosco di Sopra | 581.36 mi (935.61 km) |
| Gravelines to Cadoneghe | 590.83 mi (950.85 km) |
| Gravelines to Cagli | 710.96 mi (1,144.19 km) |
| Gravelines to Cagliari | 879.96 mi (1,416.15 km) |
| Gravelines to Cairo Montenotte | 536.80 mi (863.90 km) |
| Gravelines to Caivano | 904.57 mi (1,455.76 km) |
| Gravelines to Calcinaia | 641.49 mi (1,032.37 km) |
| Gravelines to Calcinato | 539.21 mi (867.78 km) |
| Gravelines to Calderara di Reno | 612.97 mi (986.48 km) |
| Gravelines to Caldogno | 568.36 mi (914.68 km) |
| Gravelines to Calenzano | 647.51 mi (1,042.07 km) |
| Gravelines to Calolziocorte | 490.21 mi (788.92 km) |
| Gravelines to Caltagirone | 1,127.94 mi (1,815.24 km) |
