| Les Clayes-sous-Bois to Cologno al Serio | 425.42 mi (684.64 km) |
| Les Clayes-sous-Bois to Cologno Monzese | 410.96 mi (661.38 km) |
| Les Clayes-sous-Bois to Colorno | 478.65 mi (770.31 km) |
| Les Clayes-sous-Bois to Comacchio | 559.79 mi (900.89 km) |
| Les Clayes-sous-Bois to Comiso | 1,036.65 mi (1,668.32 km) |
| Les Clayes-sous-Bois to Como | 392.12 mi (631.06 km) |
| Les Clayes-sous-Bois to Concordia Sagittaria | 550.57 mi (886.06 km) |
| Les Clayes-sous-Bois to Concorezzo | 410.74 mi (661.03 km) |
| Les Clayes-sous-Bois to Conegliano | 523.06 mi (841.78 km) |
| Les Clayes-sous-Bois to Conselice | 552.98 mi (889.94 km) |
| Les Clayes-sous-Bois to Conselve | 526.78 mi (847.77 km) |
| Les Clayes-sous-Bois to Conversano | 915.49 mi (1,473.34 km) |
| Les Clayes-sous-Bois to Copertino | 984.22 mi (1,583.95 km) |
| Les Clayes-sous-Bois to Copparo | 537.84 mi (865.56 km) |
| Les Clayes-sous-Bois to Corato | 879.18 mi (1,414.90 km) |
