| Kardzhali to Cogolin | 964.59 mi (1,552.36 km) |
| Kardzhali to Colmar | 984.37 mi (1,584.19 km) |
| Kardzhali to Colombes | 1,224.55 mi (1,970.72 km) |
| Kardzhali to Colomiers | 1,224.71 mi (1,970.98 km) |
| Kardzhali to Combs-la-Ville | 1,206.41 mi (1,941.52 km) |
| Kardzhali to Comines | 1,233.49 mi (1,985.12 km) |
| Kardzhali to Compiegne | 1,209.55 mi (1,946.58 km) |
| Kardzhali to Concarneau | 1,489.51 mi (2,397.13 km) |
| Kardzhali to Conde-sur-l'Escaut | 1,201.73 mi (1,934.00 km) |
| Kardzhali to Conflans-Sainte-Honorine | 1,232.67 mi (1,983.79 km) |
| Kardzhali to Corbas | 1,056.69 mi (1,700.58 km) |
| Kardzhali to Corbeil-Essonnes | 1,208.84 mi (1,945.44 km) |
| Kardzhali to Cormeilles-en-Parisis | 1,227.70 mi (1,975.79 km) |
| Kardzhali to Cosne sur Loire | 1,169.84 mi (1,882.67 km) |
| Kardzhali to Coudekerque-Branche | 1,265.22 mi (2,036.17 km) |
