| Middle Island to Ickenham | 3,396.18 mi (5,465.62 km) |
| Middle Island to Ifield | 3,415.29 mi (5,496.38 km) |
| Middle Island to Ilford | 3,418.04 mi (5,500.80 km) |
| Middle Island to Ilfracombe | 3,251.39 mi (5,232.60 km) |
| Middle Island to Ilkeston | 3,333.20 mi (5,364.27 km) |
| Middle Island to Ilkley | 3,295.45 mi (5,303.52 km) |
| Middle Island to Immingham | 3,364.30 mi (5,414.31 km) |
| Middle Island to Ince-in-Makerfield | 3,271.43 mi (5,264.86 km) |
| Middle Island to Inverness | 3,152.03 mi (5,072.70 km) |
| Middle Island to Inverurie | 3,222.07 mi (5,185.43 km) |
| Middle Island to Ipswich | 3,450.73 mi (5,553.41 km) |
| Middle Island to Irlam | 3,280.13 mi (5,278.86 km) |
| Middle Island to Irthlingborough | 3,373.75 mi (5,429.53 km) |
| Middle Island to Irvine | 3,158.94 mi (5,083.82 km) |
| Middle Island to Islington | 3,410.62 mi (5,488.86 km) |
