| Fort Oglethorpe to Ickenham | 4,169.78 mi (6,710.61 km) |
| Fort Oglethorpe to Ifield | 4,189.93 mi (6,743.04 km) |
| Fort Oglethorpe to Ilford | 4,191.33 mi (6,745.29 km) |
| Fort Oglethorpe to Ilfracombe | 4,027.86 mi (6,482.21 km) |
| Fort Oglethorpe to Ilkeston | 4,103.08 mi (6,603.27 km) |
| Fort Oglethorpe to Ilkley | 4,062.40 mi (6,537.80 km) |
| Fort Oglethorpe to Immingham | 4,131.33 mi (6,648.73 km) |
| Fort Oglethorpe to Ince-in-Makerfield | 4,040.19 mi (6,502.05 km) |
| Fort Oglethorpe to Inverness | 3,905.39 mi (6,285.11 km) |
| Fort Oglethorpe to Inverurie | 3,975.32 mi (6,397.66 km) |
| Fort Oglethorpe to Ipswich | 4,221.89 mi (6,794.48 km) |
| Fort Oglethorpe to Irlam | 4,049.11 mi (6,516.41 km) |
| Fort Oglethorpe to Irthlingborough | 4,145.24 mi (6,671.11 km) |
| Fort Oglethorpe to Irvine | 3,920.98 mi (6,310.20 km) |
| Fort Oglethorpe to Islington | 4,184.06 mi (6,733.59 km) |
