| Clemson to Cognac | 4,225.73 mi (6,800.66 km) |
| Clemson to Cogolin | 4,603.15 mi (7,408.05 km) |
| Clemson to Colmar | 4,494.57 mi (7,233.32 km) |
| Clemson to Colombes | 4,256.93 mi (6,850.87 km) |
| Clemson to Colomiers | 4,356.32 mi (7,010.82 km) |
| Clemson to Combs-la-Ville | 4,276.39 mi (6,882.19 km) |
| Clemson to Comines | 4,242.53 mi (6,827.70 km) |
| Clemson to Compiegne | 4,268.54 mi (6,869.55 km) |
| Clemson to Concarneau | 4,014.96 mi (6,461.45 km) |
| Clemson to Conde-sur-l'Escaut | 4,274.15 mi (6,878.58 km) |
| Clemson to Conflans-Sainte-Honorine | 4,248.53 mi (6,837.35 km) |
| Clemson to Corbas | 4,458.94 mi (7,175.97 km) |
| Clemson to Corbeil-Essonnes | 4,274.52 mi (6,879.17 km) |
| Clemson to Cormeilles-en-Parisis | 4,253.52 mi (6,845.38 km) |
| Clemson to Cosne sur Loire | 4,324.77 mi (6,960.05 km) |
