| Onalaska to Ickenham | 3,974.05 mi (6,395.62 km) |
| Onalaska to Ifield | 3,998.61 mi (6,435.15 km) |
| Onalaska to Ilford | 3,993.64 mi (6,427.14 km) |
| Onalaska to Ilfracombe | 3,849.67 mi (6,195.44 km) |
| Onalaska to Ilkeston | 3,892.95 mi (6,265.09 km) |
| Onalaska to Ilkley | 3,842.04 mi (6,183.17 km) |
| Onalaska to Immingham | 3,909.57 mi (6,291.84 km) |
| Onalaska to Ince-in-Makerfield | 3,827.18 mi (6,159.25 km) |
| Onalaska to Inverness | 3,646.46 mi (5,868.40 km) |
| Onalaska to Inverurie | 3,714.20 mi (5,977.42 km) |
| Onalaska to Ipswich | 4,014.20 mi (6,460.23 km) |
| Onalaska to Irlam | 3,836.73 mi (6,174.62 km) |
| Onalaska to Irthlingborough | 3,940.70 mi (6,341.94 km) |
| Onalaska to Irvine | 3,687.39 mi (5,934.29 km) |
| Onalaska to Islington | 3,987.23 mi (6,416.82 km) |
