| Clemson to Cosham | 4,073.05 mi (6,554.94 km) |
| Clemson to Costessey | 4,125.87 mi (6,639.95 km) |
| Clemson to Cottingham | 4,037.95 mi (6,498.45 km) |
| Clemson to Coulsdon | 4,100.82 mi (6,599.63 km) |
| Clemson to Coventry | 4,022.14 mi (6,473.01 km) |
| Clemson to Cowdenbeath | 3,883.38 mi (6,249.70 km) |
| Clemson to Cowes | 4,065.12 mi (6,542.18 km) |
| Clemson to Cowley | 4,082.31 mi (6,569.85 km) |
| Clemson to Cowley | 4,048.00 mi (6,514.63 km) |
| Clemson to Cramlington | 3,967.75 mi (6,385.48 km) |
| Clemson to Cranleigh | 4,090.93 mi (6,583.71 km) |
| Clemson to Crawley | 4,103.50 mi (6,603.94 km) |
| Clemson to Crayford | 4,111.06 mi (6,616.12 km) |
| Clemson to Crewe | 3,971.33 mi (6,391.24 km) |
| Clemson to Crigglestone | 3,997.22 mi (6,432.91 km) |
