| Grain Valley to Cockermouth | 4,113.91 mi (6,620.69 km) |
| Grain Valley to Colchester | 4,358.87 mi (7,014.93 km) |
| Grain Valley to Coleford | 4,230.45 mi (6,808.25 km) |
| Grain Valley to Colne | 4,181.49 mi (6,729.46 km) |
| Grain Valley to Colwyn Bay | 4,142.98 mi (6,667.48 km) |
| Grain Valley to Congleton | 4,201.76 mi (6,762.07 km) |
| Grain Valley to Conisbrough | 4,227.92 mi (6,804.19 km) |
| Grain Valley to Connahs Quay | 4,169.00 mi (6,709.35 km) |
| Grain Valley to Consett | 4,163.00 mi (6,699.70 km) |
| Grain Valley to Conwy | 4,138.46 mi (6,660.21 km) |
| Grain Valley to Cookstown | 3,991.33 mi (6,423.42 km) |
| Grain Valley to Corby | 4,279.47 mi (6,887.14 km) |
| Grain Valley to Corfe Mullen | 4,286.46 mi (6,898.39 km) |
| Grain Valley to Corsham | 4,258.33 mi (6,853.12 km) |
| Grain Valley to Coseley | 4,226.18 mi (6,801.37 km) |
