| Gahanna to Bad Mergentheim | 4,298.39 mi (6,917.59 km) |
| Gahanna to Bad Munder am Deister | 4,195.30 mi (6,751.68 km) |
| Gahanna to Bad Munstereifel | 4,146.64 mi (6,673.37 km) |
| Gahanna to Bad Nauheim | 4,229.47 mi (6,806.67 km) |
| Gahanna to Bad Nenndorf | 4,187.52 mi (6,739.17 km) |
| Gahanna to Bad Neuenahr-Ahrweiler | 4,160.37 mi (6,695.48 km) |
| Gahanna to Bad Neustadt | 4,287.21 mi (6,899.60 km) |
| Gahanna to Bad Oeynhausen | 4,170.51 mi (6,711.79 km) |
| Gahanna to Bad Oldesloe | 4,175.18 mi (6,719.30 km) |
| Gahanna to Bad Orb | 4,257.63 mi (6,852.00 km) |
| Gahanna to Bad Pyrmont | 4,194.83 mi (6,750.93 km) |
| Gahanna to Bad Rappenau | 4,281.63 mi (6,890.63 km) |
| Gahanna to Bad Reichenhall | 4,483.56 mi (7,215.60 km) |
| Gahanna to Bad Sackingen | 4,293.97 mi (6,910.47 km) |
| Gahanna to Bad Salzdetfurth | 4,219.97 mi (6,791.38 km) |
