| Holbrook to Cockermouth | 3,232.04 mi (5,201.47 km) |
| Holbrook to Colchester | 3,453.17 mi (5,557.33 km) |
| Holbrook to Coleford | 3,311.63 mi (5,329.56 km) |
| Holbrook to Colne | 3,291.79 mi (5,297.62 km) |
| Holbrook to Colwyn Bay | 3,240.80 mi (5,215.56 km) |
| Holbrook to Congleton | 3,302.39 mi (5,314.69 km) |
| Holbrook to Conisbrough | 3,336.03 mi (5,368.82 km) |
| Holbrook to Connahs Quay | 3,267.78 mi (5,258.99 km) |
| Holbrook to Consett | 3,288.43 mi (5,292.21 km) |
| Holbrook to Conwy | 3,235.75 mi (5,207.44 km) |
| Holbrook to Cookstown | 3,099.89 mi (4,988.80 km) |
| Holbrook to Corby | 3,376.00 mi (5,433.15 km) |
| Holbrook to Corfe Mullen | 3,356.65 mi (5,402.00 km) |
| Holbrook to Corsham | 3,336.32 mi (5,369.29 km) |
| Holbrook to Coseley | 3,319.02 mi (5,341.44 km) |
