| Constanta to Cognac | 1,412.88 mi (2,273.81 km) |
| Constanta to Cogolin | 1,102.41 mi (1,774.15 km) |
| Constanta to Colmar | 1,050.48 mi (1,690.58 km) |
| Constanta to Colombes | 1,288.82 mi (2,074.15 km) |
| Constanta to Colomiers | 1,353.47 mi (2,178.19 km) |
| Constanta to Combs-la-Ville | 1,273.47 mi (2,049.45 km) |
| Constanta to Comines | 1,272.85 mi (2,048.45 km) |
| Constanta to Compiegne | 1,266.57 mi (2,038.35 km) |
| Constanta to Concarneau | 1,570.65 mi (2,527.72 km) |
| Constanta to Conde-sur-l'Escaut | 1,243.69 mi (2,001.53 km) |
| Constanta to Conflans-Sainte-Honorine | 1,296.21 mi (2,086.06 km) |
| Constanta to Corbas | 1,161.44 mi (1,869.16 km) |
| Constanta to Corbeil-Essonnes | 1,276.74 mi (2,054.71 km) |
| Constanta to Cormeilles-en-Parisis | 1,291.41 mi (2,078.32 km) |
| Constanta to Cosne sur Loire | 1,252.74 mi (2,016.10 km) |
