| Heath to Cockermouth | 3,628.56 mi (5,839.61 km) |
| Heath to Colchester | 3,861.53 mi (6,214.53 km) |
| Heath to Coleford | 3,725.08 mi (5,994.93 km) |
| Heath to Colne | 3,692.17 mi (5,941.98 km) |
| Heath to Colwyn Bay | 3,646.46 mi (5,868.41 km) |
| Heath to Congleton | 3,707.14 mi (5,966.07 km) |
| Heath to Conisbrough | 3,737.64 mi (6,015.15 km) |
| Heath to Connahs Quay | 3,673.17 mi (5,911.39 km) |
| Heath to Consett | 3,682.02 mi (5,925.64 km) |
| Heath to Conwy | 3,641.62 mi (5,860.63 km) |
| Heath to Cookstown | 3,499.90 mi (5,632.55 km) |
| Heath to Corby | 3,782.98 mi (6,088.11 km) |
| Heath to Corfe Mullen | 3,775.17 mi (6,075.55 km) |
| Heath to Corsham | 3,751.30 mi (6,037.14 km) |
| Heath to Coseley | 3,727.33 mi (5,998.55 km) |
