| Bad Harzburg to Cognac | 653.34 mi (1,051.45 km) |
| Bad Harzburg to Cogolin | 624.86 mi (1,005.61 km) |
| Bad Harzburg to Colmar | 298.61 mi (480.57 km) |
| Bad Harzburg to Colombes | 418.80 mi (673.99 km) |
| Bad Harzburg to Colomiers | 712.94 mi (1,147.36 km) |
| Bad Harzburg to Combs-la-Ville | 416.88 mi (670.90 km) |
| Bad Harzburg to Comines | 335.09 mi (539.27 km) |
| Bad Harzburg to Compiegne | 379.20 mi (610.27 km) |
| Bad Harzburg to Concarneau | 700.11 mi (1,126.71 km) |
| Bad Harzburg to Conde-sur-l'Escaut | 317.70 mi (511.29 km) |
| Bad Harzburg to Conflans-Sainte-Honorine | 421.97 mi (679.10 km) |
| Bad Harzburg to Corbas | 500.36 mi (805.25 km) |
| Bad Harzburg to Corbeil-Essonnes | 422.03 mi (679.19 km) |
| Bad Harzburg to Cormeilles-en-Parisis | 418.90 mi (674.16 km) |
| Bad Harzburg to Cosne sur Loire | 460.17 mi (740.58 km) |
