| Clarksville to Cognac | 4,345.66 mi (6,993.66 km) |
| Clarksville to Cogolin | 4,723.31 mi (7,601.43 km) |
| Clarksville to Colmar | 4,591.92 mi (7,389.99 km) |
| Clarksville to Colombes | 4,357.84 mi (7,013.27 km) |
| Clarksville to Colomiers | 4,483.32 mi (7,215.21 km) |
| Clarksville to Combs-la-Ville | 4,378.09 mi (7,045.86 km) |
| Clarksville to Comines | 4,333.46 mi (6,974.03 km) |
| Clarksville to Compiegne | 4,366.29 mi (7,026.86 km) |
| Clarksville to Concarneau | 4,129.12 mi (6,645.18 km) |
| Clarksville to Conde-sur-l'Escaut | 4,365.82 mi (7,026.11 km) |
| Clarksville to Conflans-Sainte-Honorine | 4,349.29 mi (6,999.50 km) |
| Clarksville to Corbas | 4,571.12 mi (7,356.51 km) |
| Clarksville to Corbeil-Essonnes | 4,376.60 mi (7,043.45 km) |
| Clarksville to Cormeilles-en-Parisis | 4,354.26 mi (7,007.50 km) |
| Clarksville to Cosne sur Loire | 4,431.93 mi (7,132.51 km) |
