| Knightdale to Cockermouth | 3,683.58 mi (5,928.14 km) |
| Knightdale to Colchester | 3,902.23 mi (6,280.03 km) |
| Knightdale to Coleford | 3,759.61 mi (6,050.51 km) |
| Knightdale to Colne | 3,742.64 mi (6,023.20 km) |
| Knightdale to Colwyn Bay | 3,690.69 mi (5,939.59 km) |
| Knightdale to Congleton | 3,752.40 mi (6,038.91 km) |
| Knightdale to Conisbrough | 3,786.61 mi (6,093.97 km) |
| Knightdale to Connahs Quay | 3,717.70 mi (5,983.06 km) |
| Knightdale to Consett | 3,740.34 mi (6,019.49 km) |
| Knightdale to Conwy | 3,685.61 mi (5,931.41 km) |
| Knightdale to Cookstown | 3,550.99 mi (5,714.77 km) |
| Knightdale to Corby | 3,825.47 mi (6,156.49 km) |
| Knightdale to Corfe Mullen | 3,803.12 mi (6,120.52 km) |
| Knightdale to Corsham | 3,783.85 mi (6,089.52 km) |
| Knightdale to Coseley | 3,768.24 mi (6,064.40 km) |
