| Hadamar to Cognac | 506.95 mi (815.85 km) |
| Hadamar to Cogolin | 502.43 mi (808.58 km) |
| Hadamar to Colmar | 166.60 mi (268.12 km) |
| Hadamar to Colombes | 279.71 mi (450.15 km) |
| Hadamar to Colomiers | 567.85 mi (913.87 km) |
| Hadamar to Combs-la-Ville | 274.98 mi (442.54 km) |
| Hadamar to Comines | 222.10 mi (357.44 km) |
| Hadamar to Compiegne | 243.16 mi (391.32 km) |
| Hadamar to Concarneau | 568.52 mi (914.95 km) |
| Hadamar to Conde-sur-l'Escaut | 196.16 mi (315.70 km) |
| Hadamar to Conflans-Sainte-Honorine | 284.01 mi (457.07 km) |
| Hadamar to Corbas | 360.88 mi (580.78 km) |
| Hadamar to Corbeil-Essonnes | 279.97 mi (450.56 km) |
| Hadamar to Cormeilles-en-Parisis | 280.40 mi (451.27 km) |
| Hadamar to Cosne sur Loire | 313.28 mi (504.18 km) |
