| Gahanna to Ickenham | 3,833.95 mi (6,170.14 km) |
| Gahanna to Ifield | 3,855.30 mi (6,204.51 km) |
| Gahanna to Ilford | 3,855.07 mi (6,204.14 km) |
| Gahanna to Ilfracombe | 3,696.05 mi (5,948.22 km) |
| Gahanna to Ilkeston | 3,763.40 mi (6,056.60 km) |
| Gahanna to Ilkley | 3,720.11 mi (5,986.94 km) |
| Gahanna to Immingham | 3,788.94 mi (6,097.72 km) |
| Gahanna to Ince-in-Makerfield | 3,699.57 mi (5,953.89 km) |
| Gahanna to Inverness | 3,553.97 mi (5,719.57 km) |
| Gahanna to Inverurie | 3,623.68 mi (5,831.75 km) |
| Gahanna to Ipswich | 3,883.24 mi (6,249.47 km) |
| Gahanna to Irlam | 3,708.68 mi (5,968.55 km) |
| Gahanna to Irthlingborough | 3,807.09 mi (6,126.92 km) |
| Gahanna to Irvine | 3,575.11 mi (5,753.59 km) |
| Gahanna to Islington | 3,848.00 mi (6,192.75 km) |
