| River Grove to Cockermouth | 3,737.48 mi (6,014.90 km) |
| River Grove to Colchester | 3,979.81 mi (6,404.88 km) |
| River Grove to Coleford | 3,849.39 mi (6,195.00 km) |
| River Grove to Colne | 3,804.16 mi (6,122.21 km) |
| River Grove to Colwyn Bay | 3,763.85 mi (6,057.33 km) |
| River Grove to Congleton | 3,823.16 mi (6,152.77 km) |
| River Grove to Conisbrough | 3,850.42 mi (6,196.65 km) |
| River Grove to Connahs Quay | 3,790.06 mi (6,099.52 km) |
| River Grove to Consett | 3,787.77 mi (6,095.83 km) |
| River Grove to Conwy | 3,759.25 mi (6,049.93 km) |
| River Grove to Cookstown | 3,613.22 mi (5,814.91 km) |
| River Grove to Corby | 3,900.51 mi (6,277.27 km) |
| River Grove to Corfe Mullen | 3,904.17 mi (6,283.16 km) |
| River Grove to Corsham | 3,876.94 mi (6,239.33 km) |
| River Grove to Coseley | 3,846.60 mi (6,190.50 km) |
