| Geilenkirchen to Cognac | 469.00 mi (754.78 km) |
| Geilenkirchen to Cogolin | 533.25 mi (858.18 km) |
| Geilenkirchen to Colmar | 206.80 mi (332.81 km) |
| Geilenkirchen to Colombes | 222.36 mi (357.85 km) |
| Geilenkirchen to Colomiers | 554.89 mi (893.02 km) |
| Geilenkirchen to Combs-la-Ville | 224.29 mi (360.97 km) |
| Geilenkirchen to Comines | 136.42 mi (219.54 km) |
| Geilenkirchen to Compiegne | 180.91 mi (291.14 km) |
| Geilenkirchen to Concarneau | 498.59 mi (802.40 km) |
| Geilenkirchen to Conde-sur-l'Escaut | 116.25 mi (187.08 km) |
| Geilenkirchen to Conflans-Sainte-Honorine | 224.38 mi (361.10 km) |
| Geilenkirchen to Corbas | 370.24 mi (595.84 km) |
| Geilenkirchen to Corbeil-Essonnes | 229.56 mi (369.44 km) |
| Geilenkirchen to Cormeilles-en-Parisis | 221.87 mi (357.06 km) |
| Geilenkirchen to Cosne sur Loire | 284.79 mi (458.32 km) |
