| Clemson to Cabestany | 4,456.54 mi (7,172.10 km) |
| Clemson to Cabries | 4,545.50 mi (7,315.27 km) |
| Clemson to Cachan | 4,263.63 mi (6,861.65 km) |
| Clemson to Caen | 4,139.51 mi (6,661.89 km) |
| Clemson to Cagnes-sur-Mer | 4,618.24 mi (7,432.34 km) |
| Clemson to Cahors | 4,338.33 mi (6,981.87 km) |
| Clemson to Calais | 4,190.97 mi (6,744.71 km) |
| Clemson to Caluire-et-Cuire | 4,452.90 mi (7,166.26 km) |
| Clemson to Cambrai | 4,266.44 mi (6,866.17 km) |
| Clemson to Canet-en-Roussillon | 4,458.79 mi (7,175.72 km) |
| Clemson to Cannes | 4,615.64 mi (7,428.16 km) |
| Clemson to Canteleu | 4,192.64 mi (6,747.40 km) |
| Clemson to Capbreton | 4,227.78 mi (6,803.96 km) |
| Clemson to Carcassonne | 4,414.11 mi (7,103.83 km) |
| Clemson to Carmaux | 4,381.85 mi (7,051.90 km) |
