| Clemson to Cockermouth | 3,906.90 mi (6,287.54 km) |
| Clemson to Colchester | 4,130.48 mi (6,647.36 km) |
| Clemson to Coleford | 3,989.56 mi (6,420.57 km) |
| Clemson to Colne | 3,967.55 mi (6,385.16 km) |
| Clemson to Colwyn Bay | 3,917.55 mi (6,304.68 km) |
| Clemson to Congleton | 3,979.02 mi (6,403.61 km) |
| Clemson to Conisbrough | 4,012.08 mi (6,456.82 km) |
| Clemson to Connahs Quay | 3,944.50 mi (6,348.06 km) |
| Clemson to Consett | 3,962.62 mi (6,377.22 km) |
| Clemson to Conwy | 3,912.53 mi (6,296.62 km) |
| Clemson to Cookstown | 3,775.43 mi (6,075.96 km) |
| Clemson to Corby | 4,053.06 mi (6,522.76 km) |
| Clemson to Corfe Mullen | 4,035.06 mi (6,493.80 km) |
| Clemson to Corsham | 4,014.42 mi (6,460.59 km) |
| Clemson to Coseley | 3,996.25 mi (6,431.34 km) |
