| Gahanna to Guroymak | 5,986.11 mi (9,633.72 km) |
| Gahanna to Gurpinar | 6,046.59 mi (9,731.05 km) |
| Gahanna to Hadim | 5,720.90 mi (9,206.90 km) |
| Gahanna to Hakkari | 6,098.33 mi (9,814.31 km) |
| Gahanna to Halfeti | 5,910.12 mi (9,511.42 km) |
| Gahanna to Hamidiye | 5,336.10 mi (8,587.63 km) |
| Gahanna to Hanimciftligi | 5,867.98 mi (9,443.59 km) |
| Gahanna to Harbiye | 5,904.52 mi (9,502.41 km) |
| Gahanna to Harran | 5,971.76 mi (9,610.62 km) |
| Gahanna to Haskoy | 5,969.17 mi (9,606.46 km) |
| Gahanna to Hassa | 5,883.87 mi (9,469.17 km) |
| Gahanna to Hatay | 5,901.15 mi (9,496.99 km) |
| Gahanna to Havran | 5,388.82 mi (8,672.46 km) |
| Gahanna to Havza | 5,640.46 mi (9,077.44 km) |
| Gahanna to Haymana | 5,601.67 mi (9,015.02 km) |
