| Gahanna to Cadiz | 4,026.59 mi (6,480.17 km) |
| Gahanna to Calafell | 4,238.61 mi (6,821.39 km) |
| Gahanna to Calahorra | 4,042.24 mi (6,505.36 km) |
| Gahanna to Calasparra | 4,189.41 mi (6,742.21 km) |
| Gahanna to Calatayud | 4,088.10 mi (6,579.15 km) |
| Gahanna to Caldas de Montbuy | 4,250.70 mi (6,840.84 km) |
| Gahanna to Caldas de Reyes | 3,727.21 mi (5,998.36 km) |
| Gahanna to Calella | 4,273.49 mi (6,877.51 km) |
| Gahanna to Callosa de Segura | 4,231.75 mi (6,810.35 km) |
| Gahanna to Calpe | 4,256.85 mi (6,850.74 km) |
| Gahanna to Calvia | 4,338.15 mi (6,981.57 km) |
| Gahanna to Camas | 4,010.63 mi (6,454.48 km) |
| Gahanna to Cambados | 3,722.62 mi (5,990.98 km) |
| Gahanna to Cambre | 3,722.09 mi (5,990.12 km) |
| Gahanna to Cambrils | 4,219.97 mi (6,791.38 km) |
