| Gahanna to Creutzwald | 4,187.86 mi (6,739.71 km) |
| Gahanna to Croissy-sur-Seine | 4,014.91 mi (6,461.38 km) |
| Gahanna to Croix | 4,001.22 mi (6,439.34 km) |
| Gahanna to Crosne | 4,032.91 mi (6,490.34 km) |
| Gahanna to Cuers | 4,366.47 mi (7,027.15 km) |
| Gahanna to Cugnaux | 4,150.02 mi (6,678.81 km) |
| Gahanna to Cusset | 4,155.97 mi (6,688.39 km) |
| Gahanna to Dammarie-le-Lys | 4,046.29 mi (6,511.88 km) |
| Gahanna to Dammartin-en-Goele | 4,031.50 mi (6,488.07 km) |
| Gahanna to Dardilly | 4,221.51 mi (6,793.86 km) |
| Gahanna to Darnetal | 3,957.61 mi (6,369.15 km) |
| Gahanna to Dax | 4,038.60 mi (6,499.50 km) |
| Gahanna to Decines-Charpieu | 4,231.41 mi (6,809.79 km) |
| Gahanna to Denain | 4,021.39 mi (6,471.80 km) |
| Gahanna to Deuil-la-Barre | 4,019.45 mi (6,468.68 km) |
