| Oer-Erkenschwick to Cognac | 536.48 mi (863.38 km) |
| Oer-Erkenschwick to Cogolin | 580.64 mi (934.45 km) |
| Oer-Erkenschwick to Colmar | 246.05 mi (395.98 km) |
| Oer-Erkenschwick to Colombes | 289.69 mi (466.21 km) |
| Oer-Erkenschwick to Colomiers | 618.81 mi (995.88 km) |
| Oer-Erkenschwick to Combs-la-Ville | 291.94 mi (469.82 km) |
| Oer-Erkenschwick to Comines | 193.48 mi (311.38 km) |
| Oer-Erkenschwick to Compiegne | 247.92 mi (398.99 km) |
| Oer-Erkenschwick to Concarneau | 561.58 mi (903.78 km) |
| Oer-Erkenschwick to Conde-sur-l'Escaut | 179.06 mi (288.17 km) |
| Oer-Erkenschwick to Conflans-Sainte-Honorine | 291.45 mi (469.05 km) |
| Oer-Erkenschwick to Corbas | 426.41 mi (686.23 km) |
| Oer-Erkenschwick to Corbeil-Essonnes | 297.20 mi (478.29 km) |
| Oer-Erkenschwick to Cormeilles-en-Parisis | 289.08 mi (465.23 km) |
| Oer-Erkenschwick to Cosne sur Loire | 350.76 mi (564.50 km) |
