| Clemmons to Cockermouth | 3,745.23 mi (6,027.36 km) |
| Clemmons to Colchester | 3,967.53 mi (6,385.12 km) |
| Clemmons to Coleford | 3,826.18 mi (6,157.65 km) |
| Clemmons to Colne | 3,805.45 mi (6,124.29 km) |
| Clemmons to Colwyn Bay | 3,754.92 mi (6,042.97 km) |
| Clemmons to Congleton | 3,816.47 mi (6,142.01 km) |
| Clemmons to Conisbrough | 3,849.84 mi (6,195.71 km) |
| Clemmons to Connahs Quay | 3,781.90 mi (6,086.37 km) |
| Clemmons to Consett | 3,801.25 mi (6,117.53 km) |
| Clemmons to Conwy | 3,749.89 mi (6,034.87 km) |
| Clemmons to Cookstown | 3,613.43 mi (5,815.25 km) |
| Clemmons to Corby | 3,890.26 mi (6,260.77 km) |
| Clemmons to Corfe Mullen | 3,871.24 mi (6,230.16 km) |
| Clemmons to Corsham | 3,850.91 mi (6,197.44 km) |
| Clemmons to Coseley | 3,833.35 mi (6,169.18 km) |
