| Castro Daire to Cognac | 505.57 mi (813.63 km) |
| Castro Daire to Cogolin | 758.31 mi (1,220.37 km) |
| Castro Daire to Colmar | 899.74 mi (1,447.99 km) |
| Castro Daire to Colombes | 744.17 mi (1,197.62 km) |
| Castro Daire to Colomiers | 509.43 mi (819.85 km) |
| Castro Daire to Combs-la-Ville | 742.32 mi (1,194.65 km) |
| Castro Daire to Comines | 859.28 mi (1,382.89 km) |
| Castro Daire to Compiegne | 786.34 mi (1,265.49 km) |
| Castro Daire to Concarneau | 520.93 mi (838.35 km) |
| Castro Daire to Conde-sur-l'Escaut | 861.01 mi (1,385.66 km) |
| Castro Daire to Conflans-Sainte-Honorine | 742.88 mi (1,195.55 km) |
| Castro Daire to Corbas | 723.60 mi (1,164.53 km) |
| Castro Daire to Corbeil-Essonnes | 737.07 mi (1,186.21 km) |
| Castro Daire to Cormeilles-en-Parisis | 744.96 mi (1,198.90 km) |
| Castro Daire to Cosne sur Loire | 700.32 mi (1,127.05 km) |
