| Castelldefels to Coudekerque-Branche | 673.62 mi (1,084.09 km) |
| Castelldefels to Coueron | 448.99 mi (722.59 km) |
| Castelldefels to Coulommiers | 523.44 mi (842.39 km) |
| Castelldefels to Courbevoic | 526.51 mi (847.34 km) |
| Castelldefels to Courcouronnes | 507.89 mi (817.38 km) |
| Castelldefels to Cournon-d'Auvergne | 314.30 mi (505.82 km) |
| Castelldefels to Courrieres | 635.85 mi (1,023.30 km) |
| Castelldefels to Coutras | 280.65 mi (451.67 km) |
| Castelldefels to Couzeix | 319.70 mi (514.50 km) |
| Castelldefels to Cran-Gevrier | 380.28 mi (612.01 km) |
| Castelldefels to Craponne | 337.77 mi (543.59 km) |
| Castelldefels to Creil | 551.79 mi (888.03 km) |
| Castelldefels to Crepy-en-Valois | 551.37 mi (887.34 km) |
| Castelldefels to Crest | 283.58 mi (456.38 km) |
| Castelldefels to Creteil | 519.51 mi (836.06 km) |
