| Welling to Cognac | 398.73 mi (641.69 km) |
| Welling to Cogolin | 641.16 mi (1,031.85 km) |
| Welling to Colmar | 398.47 mi (641.27 km) |
| Welling to Colombes | 199.18 mi (320.54 km) |
| Welling to Colomiers | 545.06 mi (877.19 km) |
| Welling to Combs-la-Ville | 221.23 mi (356.03 km) |
| Welling to Comines | 134.64 mi (216.69 km) |
| Welling to Compiegne | 184.94 mi (297.64 km) |
| Welling to Concarneau | 306.13 mi (492.67 km) |
| Welling to Conde-sur-l'Escaut | 166.79 mi (268.42 km) |
| Welling to Conflans-Sainte-Honorine | 191.35 mi (307.94 km) |
| Welling to Corbas | 455.97 mi (733.82 km) |
| Welling to Corbeil-Essonnes | 222.99 mi (358.87 km) |
| Welling to Cormeilles-en-Parisis | 195.03 mi (313.87 km) |
| Welling to Cosne sur Loire | 306.98 mi (494.03 km) |
