| West Chicago to Ickenham | 3,955.55 mi (6,365.85 km) |
| West Chicago to Ifield | 3,978.84 mi (6,403.33 km) |
| West Chicago to Ilford | 3,975.83 mi (6,398.49 km) |
| West Chicago to Ilfracombe | 3,825.20 mi (6,156.06 km) |
| West Chicago to Ilkeston | 3,878.62 mi (6,242.03 km) |
| West Chicago to Ilkley | 3,830.73 mi (6,164.96 km) |
| West Chicago to Immingham | 3,898.98 mi (6,274.81 km) |
| West Chicago to Ince-in-Makerfield | 3,813.48 mi (6,137.20 km) |
| West Chicago to Inverness | 3,646.69 mi (5,868.78 km) |
| West Chicago to Inverurie | 3,715.44 mi (5,979.42 km) |
| West Chicago to Ipswich | 3,999.61 mi (6,436.75 km) |
| West Chicago to Irlam | 3,822.87 mi (6,152.31 km) |
| West Chicago to Irthlingborough | 3,924.82 mi (6,316.38 km) |
| West Chicago to Irvine | 3,679.62 mi (5,921.78 km) |
| West Chicago to Islington | 3,969.13 mi (6,387.69 km) |
