| Les Clayes-sous-Bois to Ciampino | 706.88 mi (1,137.61 km) |
| Les Clayes-sous-Bois to Cicciano | 817.74 mi (1,316.02 km) |
| Les Clayes-sous-Bois to Cingoli | 655.96 mi (1,055.67 km) |
| Les Clayes-sous-Bois to Cinisello Balsamo | 407.68 mi (656.10 km) |
| Les Clayes-sous-Bois to Cinisi | 921.17 mi (1,482.48 km) |
| Les Clayes-sous-Bois to Cirie | 362.23 mi (582.95 km) |
| Les Clayes-sous-Bois to Ciro Marina | 992.30 mi (1,596.96 km) |
| Les Clayes-sous-Bois to Cislago | 393.85 mi (633.84 km) |
| Les Clayes-sous-Bois to Cisterna di Latina | 725.48 mi (1,167.55 km) |
| Les Clayes-sous-Bois to Cisternino | 938.57 mi (1,510.48 km) |
| Les Clayes-sous-Bois to Citta di Castello | 614.28 mi (988.59 km) |
| Les Clayes-sous-Bois to Citta Sant'Angelo | 726.00 mi (1,168.38 km) |
| Les Clayes-sous-Bois to Cittadella | 508.75 mi (818.76 km) |
| Les Clayes-sous-Bois to Cittanova | 1,007.46 mi (1,621.35 km) |
| Les Clayes-sous-Bois to Cividale del Friuli | 566.26 mi (911.31 km) |
