| Les Clayes-sous-Bois to Catania | 1,020.83 mi (1,642.86 km) |
| Les Clayes-sous-Bois to Catanzaro | 996.83 mi (1,604.25 km) |
| Les Clayes-sous-Bois to Cattolica | 611.40 mi (983.95 km) |
| Les Clayes-sous-Bois to Cava de' Tirreni | 837.05 mi (1,347.10 km) |
| Les Clayes-sous-Bois to Cavallino | 987.78 mi (1,589.67 km) |
| Les Clayes-sous-Bois to Cavarzere | 539.18 mi (867.73 km) |
| Les Clayes-sous-Bois to Cave | 717.85 mi (1,155.27 km) |
| Les Clayes-sous-Bois to Cavriago | 494.32 mi (795.53 km) |
| Les Clayes-sous-Bois to Cavriglia | 583.13 mi (938.46 km) |
| Les Clayes-sous-Bois to Cazzago San Martino | 438.54 mi (705.76 km) |
| Les Clayes-sous-Bois to Ceccano | 744.61 mi (1,198.33 km) |
| Les Clayes-sous-Bois to Cecina | 557.88 mi (897.82 km) |
| Les Clayes-sous-Bois to Cefalu | 956.81 mi (1,539.84 km) |
| Les Clayes-sous-Bois to Ceglie Messapico | 945.01 mi (1,520.85 km) |
| Les Clayes-sous-Bois to Celano | 727.42 mi (1,170.68 km) |
