| Simmerath to Cognac | 455.93 mi (733.75 km) |
| Simmerath to Cogolin | 507.78 mi (817.19 km) |
| Simmerath to Colmar | 180.37 mi (290.28 km) |
| Simmerath to Colombes | 214.55 mi (345.28 km) |
| Simmerath to Colomiers | 535.86 mi (862.38 km) |
| Simmerath to Combs-la-Ville | 213.93 mi (344.29 km) |
| Simmerath to Comines | 144.54 mi (232.61 km) |
| Simmerath to Compiegne | 174.73 mi (281.19 km) |
| Simmerath to Concarneau | 497.42 mi (800.52 km) |
| Simmerath to Conde-sur-l'Escaut | 119.45 mi (192.23 km) |
| Simmerath to Conflans-Sainte-Honorine | 217.53 mi (350.08 km) |
| Simmerath to Corbas | 346.79 mi (558.10 km) |
| Simmerath to Corbeil-Essonnes | 219.15 mi (352.69 km) |
| Simmerath to Cormeilles-en-Parisis | 214.54 mi (345.27 km) |
| Simmerath to Cosne sur Loire | 268.20 mi (431.63 km) |
