| Clemson to Caldicot | 3,988.06 mi (6,418.16 km) |
| Clemson to Calne | 4,021.75 mi (6,472.38 km) |
| Clemson to Cam | 4,001.67 mi (6,440.06 km) |
| Clemson to Camberley | 4,075.79 mi (6,559.35 km) |
| Clemson to Camborne | 3,907.96 mi (6,289.25 km) |
| Clemson to Cambridge | 4,092.00 mi (6,585.45 km) |
| Clemson to Cambuslang | 3,857.20 mi (6,207.57 km) |
| Clemson to Canford Cliffs | 4,040.18 mi (6,502.04 km) |
| Clemson to Cannock | 3,995.73 mi (6,430.51 km) |
| Clemson to Canterbury | 4,151.53 mi (6,681.24 km) |
| Clemson to Carlisle | 3,919.09 mi (6,307.16 km) |
| Clemson to Carlton Colville | 4,149.36 mi (6,677.76 km) |
| Clemson to Carluke | 3,871.14 mi (6,230.00 km) |
| Clemson to Carnoustie | 3,900.93 mi (6,277.94 km) |
| Clemson to Carshalton | 4,098.66 mi (6,596.16 km) |
