| Siegen to Cognac | 524.45 mi (844.03 km) |
| Siegen to Cogolin | 531.83 mi (855.90 km) |
| Siegen to Colmar | 195.83 mi (315.16 km) |
| Siegen to Colombes | 289.96 mi (466.64 km) |
| Siegen to Colomiers | 591.42 mi (951.80 km) |
| Siegen to Combs-la-Ville | 287.40 mi (462.52 km) |
| Siegen to Comines | 218.75 mi (352.05 km) |
| Siegen to Compiegne | 251.26 mi (404.36 km) |
| Siegen to Concarneau | 574.91 mi (925.22 km) |
| Siegen to Conde-sur-l'Escaut | 196.11 mi (315.61 km) |
| Siegen to Conflans-Sainte-Honorine | 293.49 mi (472.33 km) |
| Siegen to Corbas | 387.67 mi (623.89 km) |
| Siegen to Corbeil-Essonnes | 292.53 mi (470.78 km) |
| Siegen to Cormeilles-en-Parisis | 290.24 mi (467.10 km) |
| Siegen to Cosne sur Loire | 332.32 mi (534.82 km) |
