| Clemson to Cromer | 4,123.28 mi (6,635.78 km) |
| Clemson to Crosby | 3,940.47 mi (6,341.58 km) |
| Clemson to Crowborough | 4,118.86 mi (6,628.66 km) |
| Clemson to Croxley Green | 4,081.21 mi (6,568.08 km) |
| Clemson to Croydon | 4,100.86 mi (6,599.70 km) |
| Clemson to Cudworth | 4,002.73 mi (6,441.77 km) |
| Clemson to Culcheth | 3,961.44 mi (6,375.32 km) |
| Clemson to Cullercoats | 3,974.45 mi (6,396.26 km) |
| Clemson to Cumbernauld | 3,861.78 mi (6,214.94 km) |
| Clemson to Cumnock | 3,859.24 mi (6,210.85 km) |
| Clemson to Cupar | 3,892.71 mi (6,264.72 km) |
| Clemson to Cwmbran | 3,975.66 mi (6,398.21 km) |
| Clemson to Dagenham | 4,107.47 mi (6,610.34 km) |
| Clemson to Dalkeith | 3,897.81 mi (6,272.92 km) |
| Clemson to Darfield | 4,004.85 mi (6,445.18 km) |
