| Castelo Branco to Cognac | 544.84 mi (876.84 km) |
| Castelo Branco to Cogolin | 762.37 mi (1,226.92 km) |
| Castelo Branco to Colmar | 931.20 mi (1,498.62 km) |
| Castelo Branco to Colombes | 791.05 mi (1,273.07 km) |
| Castelo Branco to Colomiers | 525.46 mi (845.65 km) |
| Castelo Branco to Combs-la-Ville | 787.35 mi (1,267.12 km) |
| Castelo Branco to Comines | 910.56 mi (1,465.40 km) |
| Castelo Branco to Compiegne | 833.58 mi (1,341.53 km) |
| Castelo Branco to Concarneau | 584.52 mi (940.69 km) |
| Castelo Branco to Conde-sur-l'Escaut | 909.99 mi (1,464.48 km) |
| Castelo Branco to Conflans-Sainte-Honorine | 790.47 mi (1,272.15 km) |
| Castelo Branco to Corbas | 746.69 mi (1,201.68 km) |
| Castelo Branco to Corbeil-Essonnes | 782.09 mi (1,258.64 km) |
| Castelo Branco to Cormeilles-en-Parisis | 792.17 mi (1,274.88 km) |
| Castelo Branco to Cosne sur Loire | 738.51 mi (1,188.52 km) |
