| Gahanna to Bad Homburg | 4,228.73 mi (6,805.49 km) |
| Gahanna to Bad Honnef am Rhein | 4,161.51 mi (6,697.30 km) |
| Gahanna to Bad Iburg | 4,143.69 mi (6,668.62 km) |
| Gahanna to Bad Kissingen | 4,285.71 mi (6,897.19 km) |
| Gahanna to Bad Konig | 4,260.68 mi (6,856.90 km) |
| Gahanna to Bad Kreuznach | 4,212.55 mi (6,779.44 km) |
| Gahanna to Bad Krozingen | 4,271.28 mi (6,873.96 km) |
| Gahanna to Bad Laasphe | 4,197.86 mi (6,755.81 km) |
| Gahanna to Bad Laer | 4,147.07 mi (6,674.07 km) |
| Gahanna to Bad Langensalza | 4,276.37 mi (6,882.15 km) |
| Gahanna to Bad Lauchstadt | 4,311.71 mi (6,939.03 km) |
| Gahanna to Bad Lauterberg | 4,251.81 mi (6,842.63 km) |
| Gahanna to Bad Liebenwerda | 4,364.21 mi (7,023.51 km) |
| Gahanna to Bad Liebenzell | 4,282.95 mi (6,892.75 km) |
| Gahanna to Bad Lippspringe | 4,184.82 mi (6,734.82 km) |
