| Lockport to Ickenham | 3,962.33 mi (6,376.75 km) |
| Lockport to Ifield | 3,985.47 mi (6,414.00 km) |
| Lockport to Ilford | 3,982.68 mi (6,409.50 km) |
| Lockport to Ilfracombe | 3,831.34 mi (6,165.95 km) |
| Lockport to Ilkeston | 3,885.87 mi (6,253.70 km) |
| Lockport to Ilkley | 3,838.32 mi (6,177.18 km) |
| Lockport to Immingham | 3,906.64 mi (6,287.12 km) |
| Lockport to Ince-in-Makerfield | 3,820.81 mi (6,149.00 km) |
| Lockport to Inverness | 3,655.56 mi (5,883.06 km) |
| Lockport to Inverurie | 3,724.40 mi (5,993.84 km) |
| Lockport to Ipswich | 4,006.80 mi (6,448.33 km) |
| Lockport to Irlam | 3,830.18 mi (6,164.08 km) |
| Lockport to Irthlingborough | 3,931.88 mi (6,327.76 km) |
| Lockport to Irvine | 3,687.63 mi (5,934.67 km) |
| Lockport to Islington | 3,975.94 mi (6,398.66 km) |
