| Clemmons to Cognac | 4,060.51 mi (6,534.76 km) |
| Clemmons to Cogolin | 4,437.88 mi (7,142.08 km) |
| Clemmons to Colmar | 4,330.62 mi (6,969.45 km) |
| Clemmons to Colombes | 4,092.75 mi (6,586.64 km) |
| Clemmons to Colomiers | 4,190.93 mi (6,744.64 km) |
| Clemmons to Combs-la-Ville | 4,112.14 mi (6,617.86 km) |
| Clemmons to Comines | 4,079.24 mi (6,564.90 km) |
| Clemmons to Compiegne | 4,104.61 mi (6,605.73 km) |
| Clemmons to Concarneau | 3,849.99 mi (6,195.95 km) |
| Clemmons to Conde-sur-l'Escaut | 4,110.77 mi (6,615.65 km) |
| Clemmons to Conflans-Sainte-Honorine | 4,084.36 mi (6,573.14 km) |
| Clemmons to Corbas | 4,294.01 mi (6,910.53 km) |
| Clemmons to Corbeil-Essonnes | 4,110.24 mi (6,614.79 km) |
| Clemmons to Cormeilles-en-Parisis | 4,089.35 mi (6,581.17 km) |
| Clemmons to Cosne sur Loire | 4,160.14 mi (6,695.10 km) |
