| Gahanna to Hohenhameln | 4,215.55 mi (6,784.27 km) |
| Gahanna to Hohenkirchen-Siegertsbrunn | 4,427.98 mi (7,126.15 km) |
| Gahanna to Hohenmolsen | 4,328.97 mi (6,966.81 km) |
| Gahanna to Hohenstein-Ernstthal | 4,364.73 mi (7,024.35 km) |
| Gahanna to Hohr-Grenzhausen | 4,185.56 mi (6,736.01 km) |
| Gahanna to Holzgerlingen | 4,298.65 mi (6,918.01 km) |
| Gahanna to Holzkirchen | 4,431.55 mi (7,131.90 km) |
| Gahanna to Holzminden | 4,206.96 mi (6,770.44 km) |
| Gahanna to Holzwickede | 4,148.72 mi (6,676.72 km) |
| Gahanna to Homburg | 4,209.39 mi (6,774.36 km) |
| Gahanna to Hoppegarten | 4,337.98 mi (6,981.30 km) |
| Gahanna to Horb am Neckar | 4,292.70 mi (6,908.44 km) |
| Gahanna to Horn-Bad Meinberg | 4,187.15 mi (6,738.57 km) |
| Gahanna to Horstel | 4,121.98 mi (6,633.68 km) |
| Gahanna to Hosbach | 4,259.25 mi (6,854.59 km) |
