| Middle River to Cockermouth | 3,430.41 mi (5,520.71 km) |
| Middle River to Colchester | 3,653.42 mi (5,879.61 km) |
| Middle River to Coleford | 3,512.49 mi (5,652.81 km) |
| Middle River to Colne | 3,490.80 mi (5,617.90 km) |
| Middle River to Colwyn Bay | 3,440.56 mi (5,537.05 km) |
| Middle River to Congleton | 3,502.06 mi (5,636.02 km) |
| Middle River to Conisbrough | 3,535.25 mi (5,689.44 km) |
| Middle River to Connahs Quay | 3,467.52 mi (5,580.44 km) |
| Middle River to Consett | 3,486.36 mi (5,610.75 km) |
| Middle River to Conwy | 3,435.54 mi (5,528.97 km) |
| Middle River to Cookstown | 3,298.73 mi (5,308.79 km) |
| Middle River to Corby | 3,576.03 mi (5,755.06 km) |
| Middle River to Corfe Mullen | 3,558.15 mi (5,726.28 km) |
| Middle River to Corsham | 3,537.39 mi (5,692.87 km) |
| Middle River to Coseley | 3,519.20 mi (5,663.60 km) |
