| Isabela to Cockermouth | 4,135.51 mi (6,655.46 km) |
| Isabela to Colchester | 4,283.16 mi (6,893.08 km) |
| Isabela to Coleford | 4,133.20 mi (6,651.75 km) |
| Isabela to Colne | 4,173.11 mi (6,715.97 km) |
| Isabela to Colwyn Bay | 4,104.90 mi (6,606.20 km) |
| Isabela to Congleton | 4,163.95 mi (6,701.23 km) |
| Isabela to Conisbrough | 4,207.59 mi (6,771.46 km) |
| Isabela to Connahs Quay | 4,130.24 mi (6,646.97 km) |
| Isabela to Consett | 4,197.93 mi (6,755.91 km) |
| Isabela to Conwy | 4,099.49 mi (6,597.50 km) |
| Isabela to Cookstown | 4,003.12 mi (6,442.39 km) |
| Isabela to Corby | 4,220.15 mi (6,791.68 km) |
| Isabela to Corfe Mullen | 4,149.25 mi (6,677.56 km) |
| Isabela to Corsham | 4,148.06 mi (6,675.65 km) |
| Isabela to Coseley | 4,163.17 mi (6,699.98 km) |
