| Harlau to Colchester | 1,196.32 mi (1,925.30 km) |
| Harlau to Coleford | 1,346.00 mi (2,166.17 km) |
| Harlau to Colne | 1,338.42 mi (2,153.97 km) |
| Harlau to Colwyn Bay | 1,396.59 mi (2,247.60 km) |
| Harlau to Congleton | 1,334.72 mi (2,148.03 km) |
| Harlau to Conisbrough | 1,296.56 mi (2,086.61 km) |
| Harlau to Connahs Quay | 1,369.70 mi (2,204.32 km) |
| Harlau to Consett | 1,335.47 mi (2,149.23 km) |
| Harlau to Conwy | 1,401.90 mi (2,256.14 km) |
| Harlau to Cookstown | 1,527.71 mi (2,458.61 km) |
| Harlau to Corby | 1,267.48 mi (2,039.80 km) |
| Harlau to Corfe Mullen | 1,320.13 mi (2,124.55 km) |
| Harlau to Corsham | 1,327.12 mi (2,135.79 km) |
| Harlau to Coseley | 1,325.72 mi (2,133.55 km) |
| Harlau to Cosham | 1,278.52 mi (2,057.58 km) |
