| Gengenbach to Cognac | 434.77 mi (699.69 km) |
| Gengenbach to Cogolin | 362.77 mi (583.82 km) |
| Gengenbach to Colmar | 37.54 mi (60.41 km) |
| Gengenbach to Colombes | 265.48 mi (427.25 km) |
| Gengenbach to Colomiers | 460.23 mi (740.67 km) |
| Gengenbach to Combs-la-Ville | 250.29 mi (402.81 km) |
| Gengenbach to Comines | 277.33 mi (446.31 km) |
| Gengenbach to Compiegne | 246.00 mi (395.91 km) |
| Gengenbach to Concarneau | 550.97 mi (886.70 km) |
| Gengenbach to Conde-sur-l'Escaut | 244.09 mi (392.83 km) |
| Gengenbach to Conflans-Sainte-Honorine | 272.98 mi (439.31 km) |
| Gengenbach to Corbas | 239.00 mi (384.64 km) |
| Gengenbach to Corbeil-Essonnes | 253.73 mi (408.34 km) |
| Gengenbach to Cormeilles-en-Parisis | 268.13 mi (431.52 km) |
| Gengenbach to Cosne sur Loire | 245.49 mi (395.08 km) |
