| Gahanna to Coswig | 4,315.68 mi (6,945.41 km) |
| Gahanna to Cottbus | 4,389.44 mi (7,064.12 km) |
| Gahanna to Crailsheim | 4,322.95 mi (6,957.11 km) |
| Gahanna to Cremlingen | 4,237.62 mi (6,819.79 km) |
| Gahanna to Crimmitschau | 4,351.79 mi (7,003.53 km) |
| Gahanna to Cuxhaven | 4,113.06 mi (6,619.34 km) |
| Gahanna to Dachau | 4,407.39 mi (7,093.01 km) |
| Gahanna to Dallgow-Doberitz | 4,315.17 mi (6,944.60 km) |
| Gahanna to Damme | 4,137.70 mi (6,658.98 km) |
| Gahanna to Darmstadt | 4,242.40 mi (6,827.48 km) |
| Gahanna to Dassel | 4,216.88 mi (6,786.42 km) |
| Gahanna to Datteln | 4,133.32 mi (6,651.93 km) |
| Gahanna to Dautphe | 4,205.35 mi (6,767.85 km) |
| Gahanna to Deggendorf | 4,445.87 mi (7,154.94 km) |
| Gahanna to Delbruck | 4,175.97 mi (6,720.57 km) |
