| Siegburg to Cognac | 494.07 mi (795.13 km) |
| Siegburg to Cogolin | 522.54 mi (840.94 km) |
| Siegburg to Colmar | 188.04 mi (302.61 km) |
| Siegburg to Colombes | 255.82 mi (411.70 km) |
| Siegburg to Colomiers | 567.44 mi (913.21 km) |
| Siegburg to Combs-la-Ville | 254.29 mi (409.24 km) |
| Siegburg to Comines | 183.33 mi (295.04 km) |
| Siegburg to Compiegne | 216.45 mi (348.34 km) |
| Siegburg to Concarneau | 539.37 mi (868.04 km) |
| Siegburg to Conde-sur-l'Escaut | 160.24 mi (257.88 km) |
| Siegburg to Conflans-Sainte-Honorine | 259.04 mi (416.89 km) |
| Siegburg to Corbas | 370.12 mi (595.65 km) |
| Siegburg to Corbeil-Essonnes | 259.47 mi (417.58 km) |
| Siegburg to Cormeilles-en-Parisis | 255.94 mi (411.89 km) |
| Siegburg to Cosne sur Loire | 303.81 mi (488.94 km) |
