| Gresham to Cockermouth | 4,654.63 mi (7,490.90 km) |
| Gresham to Colchester | 4,914.37 mi (7,908.91 km) |
| Gresham to Coleford | 4,824.60 mi (7,764.44 km) |
| Gresham to Colne | 4,728.06 mi (7,609.08 km) |
| Gresham to Colwyn Bay | 4,716.49 mi (7,590.46 km) |
| Gresham to Congleton | 4,763.37 mi (7,665.90 km) |
| Gresham to Conisbrough | 4,773.01 mi (7,681.41 km) |
| Gresham to Connahs Quay | 4,737.75 mi (7,624.67 km) |
| Gresham to Consett | 4,684.97 mi (7,539.74 km) |
| Gresham to Conwy | 4,713.46 mi (7,585.57 km) |
| Gresham to Cookstown | 4,563.75 mi (7,344.65 km) |
| Gresham to Corby | 4,839.70 mi (7,788.75 km) |
| Gresham to Corfe Mullen | 4,895.23 mi (7,878.11 km) |
| Gresham to Corsham | 4,855.38 mi (7,813.98 km) |
| Gresham to Coseley | 4,799.22 mi (7,723.59 km) |
