| Gahanna to Homer Glen (Illinois) | 287.41 mi (462.54 km) |
| Gahanna to Homestead (Florida) | 1,015.54 mi (1,634.35 km) |
| Gahanna to Homewood (Alabama) | 503.20 mi (809.81 km) |
| Gahanna to Homewood (Illinois) | 272.36 mi (438.32 km) |
| Gahanna to Homosassa Springs (Florida) | 774.98 mi (1,247.20 km) |
| Gahanna to Honeygo (Maryland) | 344.63 mi (554.63 km) |
| Gahanna to Honolulu (Hawaii) | 4,507.93 mi (7,254.81 km) |
| Gahanna to Hoover (Alabama) | 508.53 mi (818.40 km) |
| Gahanna to Hopatcong (New Jersey) | 435.70 mi (701.19 km) |
| Gahanna to Hope Mills (North Carolina) | 409.45 mi (658.95 km) |
| Gahanna to Hopewell (Virginia) | 354.62 mi (570.70 km) |
| Gahanna to Hopkins (Minnesota) | 634.25 mi (1,020.73 km) |
| Gahanna to Hopkinsville (Kentucky) | 332.85 mi (535.67 km) |
| Gahanna to Horizon City (Texas) | 1,422.34 mi (2,289.04 km) |
| Gahanna to Horizon West (Florida) | 803.48 mi (1,293.08 km) |
