| Gahanna to Cosham | 3,828.59 mi (6,161.53 km) |
| Gahanna to Costessey | 3,869.08 mi (6,226.68 km) |
| Gahanna to Cottingham | 3,777.23 mi (6,078.87 km) |
| Gahanna to Coulsdon | 3,852.64 mi (6,200.22 km) |
| Gahanna to Coventry | 3,769.84 mi (6,066.97 km) |
| Gahanna to Cowdenbeath | 3,613.34 mi (5,815.11 km) |
| Gahanna to Cowes | 3,821.41 mi (6,149.96 km) |
| Gahanna to Cowley | 3,833.46 mi (6,169.36 km) |
| Gahanna to Cowley | 3,798.96 mi (6,113.83 km) |
| Gahanna to Cramlington | 3,701.50 mi (5,956.99 km) |
| Gahanna to Cranleigh | 3,844.15 mi (6,186.56 km) |
| Gahanna to Crawley | 3,856.49 mi (6,206.43 km) |
| Gahanna to Crayford | 3,861.80 mi (6,214.97 km) |
| Gahanna to Crewe | 3,716.36 mi (5,980.91 km) |
| Gahanna to Crigglestone | 3,738.39 mi (6,016.36 km) |
