| Louisville to Ickenham | 4,030.80 mi (6,486.94 km) |
| Louisville to Ifield | 4,052.19 mi (6,521.37 km) |
| Louisville to Ilford | 4,051.91 mi (6,520.91 km) |
| Louisville to Ilfracombe | 3,892.99 mi (6,265.16 km) |
| Louisville to Ilkeston | 3,960.05 mi (6,373.09 km) |
| Louisville to Ilkley | 3,916.56 mi (6,303.10 km) |
| Louisville to Immingham | 3,985.38 mi (6,413.85 km) |
| Louisville to Ince-in-Makerfield | 3,896.17 mi (6,270.28 km) |
| Louisville to Inverness | 3,749.16 mi (6,033.69 km) |
| Louisville to Inverurie | 3,818.80 mi (6,145.77 km) |
| Louisville to Ipswich | 4,079.95 mi (6,566.04 km) |
| Louisville to Irlam | 3,905.29 mi (6,284.96 km) |
| Louisville to Irthlingborough | 4,003.84 mi (6,443.55 km) |
| Louisville to Irvine | 3,771.20 mi (6,069.16 km) |
| Louisville to Islington | 4,044.84 mi (6,509.53 km) |
