| Douglas to Cognac | 563.72 mi (907.21 km) |
| Douglas to Cogolin | 914.40 mi (1,471.59 km) |
| Douglas to Colmar | 747.17 mi (1,202.45 km) |
| Douglas to Colombes | 512.40 mi (824.63 km) |
| Douglas to Colomiers | 728.10 mi (1,171.76 km) |
| Douglas to Combs-la-Ville | 533.01 mi (857.80 km) |
| Douglas to Comines | 499.60 mi (804.02 km) |
| Douglas to Compiegne | 521.14 mi (838.69 km) |
| Douglas to Concarneau | 341.73 mi (549.95 km) |
| Douglas to Conde-sur-l'Escaut | 529.70 mi (852.46 km) |
| Douglas to Conflans-Sainte-Honorine | 503.80 mi (810.79 km) |
| Douglas to Corbas | 741.73 mi (1,193.69 km) |
| Douglas to Corbeil-Essonnes | 531.77 mi (855.80 km) |
| Douglas to Cormeilles-en-Parisis | 508.76 mi (818.76 km) |
| Douglas to Cosne sur Loire | 593.65 mi (955.38 km) |
