| Box Elder to Cockermouth | 4,156.11 mi (6,688.61 km) |
| Box Elder to Colchester | 4,412.09 mi (7,100.58 km) |
| Box Elder to Coleford | 4,298.12 mi (6,917.16 km) |
| Box Elder to Colne | 4,227.54 mi (6,803.56 km) |
| Box Elder to Colwyn Bay | 4,200.00 mi (6,759.25 km) |
| Box Elder to Congleton | 4,254.71 mi (6,847.30 km) |
| Box Elder to Conisbrough | 4,274.21 mi (6,878.68 km) |
| Box Elder to Connahs Quay | 4,224.44 mi (6,798.58 km) |
| Box Elder to Consett | 4,198.06 mi (6,756.12 km) |
| Box Elder to Conwy | 4,196.05 mi (6,752.88 km) |
| Box Elder to Cookstown | 4,044.93 mi (6,509.68 km) |
| Box Elder to Corby | 4,333.28 mi (6,973.74 km) |
| Box Elder to Corfe Mullen | 4,361.54 mi (7,019.23 km) |
| Box Elder to Corsham | 4,327.78 mi (6,964.89 km) |
| Box Elder to Coseley | 4,284.56 mi (6,895.33 km) |
