| Altena to Cognac | 532.27 mi (856.61 km) |
| Altena to Cogolin | 558.56 mi (898.91 km) |
| Altena to Colmar | 222.80 mi (358.56 km) |
| Altena to Colombes | 290.60 mi (467.67 km) |
| Altena to Colomiers | 607.31 mi (977.37 km) |
| Altena to Combs-la-Ville | 290.56 mi (467.61 km) |
| Altena to Comines | 205.80 mi (331.21 km) |
| Altena to Compiegne | 250.03 mi (402.38 km) |
| Altena to Concarneau | 569.52 mi (916.55 km) |
| Altena to Conde-sur-l'Escaut | 187.15 mi (301.20 km) |
| Altena to Conflans-Sainte-Honorine | 293.22 mi (471.90 km) |
| Altena to Corbas | 409.13 mi (658.43 km) |
| Altena to Corbeil-Essonnes | 295.78 mi (476.02 km) |
| Altena to Cormeilles-en-Parisis | 290.42 mi (467.38 km) |
| Altena to Cosne sur Loire | 343.02 mi (552.04 km) |
