| Gahanna to Hisarcik | 5,486.42 mi (8,829.54 km) |
| Gahanna to Hizan | 6,018.80 mi (9,686.32 km) |
| Gahanna to Hopa | 5,815.41 mi (9,358.99 km) |
| Gahanna to Huyuk | 5,640.32 mi (9,077.22 km) |
| Gahanna to Idil | 6,048.11 mi (9,733.49 km) |
| Gahanna to Igdir | 5,980.63 mi (9,624.90 km) |
| Gahanna to Ihsaniye | 5,542.42 mi (8,919.67 km) |
| Gahanna to Ilic | 5,820.36 mi (9,366.97 km) |
| Gahanna to Ilica | 5,881.89 mi (9,465.99 km) |
| Gahanna to Incesu | 5,741.77 mi (9,240.49 km) |
| Gahanna to Incirliova | 5,493.65 mi (8,841.18 km) |
| Gahanna to Inebolu | 5,522.05 mi (8,886.87 km) |
| Gahanna to Inegol | 5,457.36 mi (8,782.77 km) |
| Gahanna to Ipsala | 5,297.46 mi (8,525.43 km) |
| Gahanna to Iskenderun | 5,881.91 mi (9,466.02 km) |
