| Forest Hills to Ickenham | 3,802.55 mi (6,119.62 km) |
| Forest Hills to Ifield | 3,825.60 mi (6,156.70 km) |
| Forest Hills to Ilford | 3,822.96 mi (6,152.45 km) |
| Forest Hills to Ilfracombe | 3,671.18 mi (5,908.20 km) |
| Forest Hills to Ilkeston | 3,726.47 mi (5,997.18 km) |
| Forest Hills to Ilkley | 3,679.24 mi (5,921.17 km) |
| Forest Hills to Immingham | 3,747.62 mi (6,031.21 km) |
| Forest Hills to Ince-in-Makerfield | 3,661.49 mi (5,892.60 km) |
| Forest Hills to Inverness | 3,498.08 mi (5,629.61 km) |
| Forest Hills to Inverurie | 3,567.04 mi (5,740.60 km) |
| Forest Hills to Ipswich | 3,847.36 mi (6,191.72 km) |
| Forest Hills to Irlam | 3,670.85 mi (5,907.66 km) |
| Forest Hills to Irthlingborough | 3,772.34 mi (6,070.99 km) |
| Forest Hills to Irvine | 3,529.01 mi (5,679.40 km) |
| Forest Hills to Islington | 3,816.20 mi (6,141.57 km) |
