| Gravelines to Carovigno | 1,027.85 mi (1,654.16 km) |
| Gravelines to Carpenedolo | 544.56 mi (876.39 km) |
| Gravelines to Carpi | 589.37 mi (948.50 km) |
| Gravelines to Carrara | 604.31 mi (972.54 km) |
| Gravelines to Carugate | 500.45 mi (805.39 km) |
| Gravelines to Casal di Principe | 895.74 mi (1,441.56 km) |
| Gravelines to Casale Monferrato | 498.56 mi (802.36 km) |
| Gravelines to Casale sul Sile | 597.92 mi (962.26 km) |
| Gravelines to Casalecchio di Reno | 617.90 mi (994.41 km) |
| Gravelines to Casalgrande | 595.32 mi (958.08 km) |
| Gravelines to Casalmaggiore | 563.91 mi (907.53 km) |
| Gravelines to Casalnuovo di Napoli | 907.96 mi (1,461.22 km) |
| Gravelines to Casalpusterlengo | 530.15 mi (853.19 km) |
| Gravelines to Casaluce | 898.71 mi (1,446.34 km) |
| Gravelines to Casamassima | 989.15 mi (1,591.88 km) |
