| Wilmette to Ickenham | 3,928.24 mi (6,321.89 km) |
| Wilmette to Ifield | 3,951.48 mi (6,359.30 km) |
| Wilmette to Ilford | 3,948.55 mi (6,354.57 km) |
| Wilmette to Ilfracombe | 3,797.68 mi (6,111.77 km) |
| Wilmette to Ilkeston | 3,851.48 mi (6,198.36 km) |
| Wilmette to Ilkley | 3,803.73 mi (6,121.51 km) |
| Wilmette to Immingham | 3,872.01 mi (6,231.39 km) |
| Wilmette to Ince-in-Makerfield | 3,786.37 mi (6,093.58 km) |
| Wilmette to Inverness | 3,620.26 mi (5,826.24 km) |
| Wilmette to Inverurie | 3,689.05 mi (5,936.95 km) |
| Wilmette to Ipswich | 3,972.45 mi (6,393.05 km) |
| Wilmette to Irlam | 3,795.76 mi (6,108.68 km) |
| Wilmette to Irthlingborough | 3,897.61 mi (6,272.60 km) |
| Wilmette to Irvine | 3,652.79 mi (5,878.60 km) |
| Wilmette to Islington | 3,941.83 mi (6,343.77 km) |
