| Howard to Cockermouth | 3,619.62 mi (5,825.22 km) |
| Howard to Colchester | 3,865.84 mi (6,221.47 km) |
| Howard to Coleford | 3,738.86 mi (6,017.12 km) |
| Howard to Colne | 3,687.59 mi (5,934.60 km) |
| Howard to Colwyn Bay | 3,650.07 mi (5,874.22 km) |
| Howard to Congleton | 3,708.51 mi (5,968.27 km) |
| Howard to Conisbrough | 3,734.09 mi (6,009.45 km) |
| Howard to Connahs Quay | 3,675.96 mi (5,915.89 km) |
| Howard to Consett | 3,668.24 mi (5,903.46 km) |
| Howard to Conwy | 3,645.60 mi (5,867.03 km) |
| Howard to Cookstown | 3,497.88 mi (5,629.30 km) |
| Howard to Corby | 3,786.40 mi (6,093.63 km) |
| Howard to Corfe Mullen | 3,795.91 mi (6,108.93 km) |
| Howard to Corsham | 3,767.00 mi (6,062.41 km) |
| Howard to Coseley | 3,733.52 mi (6,008.52 km) |
