| Clarkston to Cognac | 4,327.08 mi (6,963.77 km) |
| Clarkston to Cogolin | 4,704.51 mi (7,571.17 km) |
| Clarkston to Colmar | 4,595.32 mi (7,395.46 km) |
| Clarkston to Colombes | 4,357.80 mi (7,013.20 km) |
| Clarkston to Colomiers | 4,457.71 mi (7,174.00 km) |
| Clarkston to Combs-la-Ville | 4,377.29 mi (7,044.57 km) |
| Clarkston to Comines | 4,342.95 mi (6,989.30 km) |
| Clarkston to Compiegne | 4,369.28 mi (7,031.68 km) |
| Clarkston to Concarneau | 4,116.20 mi (6,624.38 km) |
| Clarkston to Conde-sur-l'Escaut | 4,374.61 mi (7,040.25 km) |
| Clarkston to Conflans-Sainte-Honorine | 4,349.39 mi (6,999.67 km) |
| Clarkston to Corbas | 4,560.17 mi (7,338.88 km) |
| Clarkston to Corbeil-Essonnes | 4,375.43 mi (7,041.57 km) |
| Clarkston to Cormeilles-en-Parisis | 4,354.38 mi (7,007.70 km) |
| Clarkston to Cosne sur Loire | 4,425.86 mi (7,122.73 km) |
