| Clarkston to Coudekerque-Branche | 4,311.35 mi (6,938.45 km) |
| Clarkston to Coueron | 4,227.89 mi (6,804.13 km) |
| Clarkston to Coulommiers | 4,395.65 mi (7,074.12 km) |
| Clarkston to Courbevoic | 4,358.49 mi (7,014.32 km) |
| Clarkston to Courcouronnes | 4,372.94 mi (7,037.57 km) |
| Clarkston to Cournon-d'Auvergne | 4,482.98 mi (7,214.65 km) |
| Clarkston to Courrieres | 4,348.04 mi (6,997.50 km) |
| Clarkston to Coutras | 4,352.87 mi (7,005.26 km) |
| Clarkston to Couzeix | 4,392.51 mi (7,069.05 km) |
| Clarkston to Cran-Gevrier | 4,605.86 mi (7,412.42 km) |
| Clarkston to Craponne | 4,550.11 mi (7,322.70 km) |
| Clarkston to Creil | 4,359.04 mi (7,015.19 km) |
| Clarkston to Crepy-en-Valois | 4,376.59 mi (7,043.44 km) |
| Clarkston to Crest | 4,592.72 mi (7,391.27 km) |
| Clarkston to Creteil | 4,370.07 mi (7,032.95 km) |
