| Middle Island to Cockermouth | 3,222.98 mi (5,186.89 km) |
| Middle Island to Colchester | 3,444.13 mi (5,542.80 km) |
| Middle Island to Coleford | 3,302.61 mi (5,315.05 km) |
| Middle Island to Colne | 3,282.74 mi (5,283.05 km) |
| Middle Island to Colwyn Bay | 3,231.75 mi (5,201.00 km) |
| Middle Island to Congleton | 3,293.35 mi (5,300.13 km) |
| Middle Island to Conisbrough | 3,326.98 mi (5,354.25 km) |
| Middle Island to Connahs Quay | 3,258.74 mi (5,244.43 km) |
| Middle Island to Consett | 3,279.36 mi (5,277.63 km) |
| Middle Island to Conwy | 3,226.71 mi (5,192.89 km) |
| Middle Island to Cookstown | 3,090.84 mi (4,974.22 km) |
| Middle Island to Corby | 3,366.97 mi (5,418.61 km) |
| Middle Island to Corfe Mullen | 3,347.65 mi (5,387.52 km) |
| Middle Island to Corsham | 3,327.31 mi (5,354.79 km) |
| Middle Island to Coseley | 3,309.98 mi (5,326.90 km) |
