| Gahanna to Hoyo de Manzanares | 4,007.54 mi (6,449.51 km) |
| Gahanna to Huelva | 3,971.30 mi (6,391.19 km) |
| Gahanna to Huercal de Almeria | 4,201.05 mi (6,760.94 km) |
| Gahanna to Huercal-Overa | 4,207.56 mi (6,771.42 km) |
| Gahanna to Huesca | 4,117.71 mi (6,626.82 km) |
| Gahanna to Huetor Vega | 4,137.65 mi (6,658.90 km) |
| Gahanna to Huetor-Tajar | 4,113.13 mi (6,619.44 km) |
| Gahanna to Humanes de Madrid | 4,022.31 mi (6,473.28 km) |
| Gahanna to Ibi | 4,228.55 mi (6,805.19 km) |
| Gahanna to Ibiza | 4,312.06 mi (6,939.59 km) |
| Gahanna to Icod de los Vinos | 3,779.98 mi (6,083.29 km) |
| Gahanna to Igualada | 4,227.92 mi (6,804.18 km) |
| Gahanna to Illescas | 4,026.48 mi (6,480.00 km) |
| Gahanna to Inca | 4,351.54 mi (7,003.13 km) |
| Gahanna to Ingenio | 3,861.40 mi (6,214.33 km) |
