| Gahanna to Isny im Allgau | 4,372.77 mi (7,037.30 km) |
| Gahanna to Isselburg | 4,094.38 mi (6,589.27 km) |
| Gahanna to Issum | 4,101.99 mi (6,601.51 km) |
| Gahanna to Itzehoe | 4,140.68 mi (6,663.77 km) |
| Gahanna to Jena | 4,317.93 mi (6,949.04 km) |
| Gahanna to Jever | 4,093.25 mi (6,587.44 km) |
| Gahanna to Jork | 4,159.32 mi (6,693.77 km) |
| Gahanna to Juchen | 4,118.85 mi (6,628.65 km) |
| Gahanna to Julich | 4,119.01 mi (6,628.91 km) |
| Gahanna to Juterbog | 4,335.16 mi (6,976.76 km) |
| Gahanna to Kaarst | 4,119.60 mi (6,629.85 km) |
| Gahanna to Kaiserslautern | 4,222.27 mi (6,795.09 km) |
| Gahanna to Kalkar | 4,090.70 mi (6,583.34 km) |
| Gahanna to Kall | 4,138.35 mi (6,660.02 km) |
| Gahanna to Kaltenkirchen | 4,159.40 mi (6,693.91 km) |
