| Castelo Branco to Coudekerque-Branche | 909.16 mi (1,463.16 km) |
| Castelo Branco to Coueron | 587.08 mi (944.82 km) |
| Castelo Branco to Coulommiers | 811.04 mi (1,305.24 km) |
| Castelo Branco to Courbevoic | 789.73 mi (1,270.95 km) |
| Castelo Branco to Courcouronnes | 780.97 mi (1,256.84 km) |
| Castelo Branco to Cournon-d'Auvergne | 678.66 mi (1,092.19 km) |
| Castelo Branco to Courrieres | 892.46 mi (1,436.28 km) |
| Castelo Branco to Coutras | 520.74 mi (838.05 km) |
| Castelo Branco to Couzeix | 608.62 mi (979.47 km) |
| Castelo Branco to Cran-Gevrier | 805.57 mi (1,296.44 km) |
| Castelo Branco to Craponne | 741.70 mi (1,193.66 km) |
| Castelo Branco to Creil | 815.39 mi (1,312.24 km) |
| Castelo Branco to Crepy-en-Valois | 826.18 mi (1,329.61 km) |
| Castelo Branco to Crest | 723.48 mi (1,164.32 km) |
| Castelo Branco to Creteil | 790.54 mi (1,272.25 km) |
