| Leganes to Ifield | 765.12 mi (1,231.34 km) |
| Leganes to Ilford | 797.33 mi (1,283.18 km) |
| Leganes to Ilfracombe | 751.92 mi (1,210.10 km) |
| Leganes to Ilkeston | 881.13 mi (1,418.04 km) |
| Leganes to Ilkley | 943.79 mi (1,518.88 km) |
| Leganes to Immingham | 932.76 mi (1,501.13 km) |
| Leganes to Ince-in-Makerfield | 914.49 mi (1,471.73 km) |
| Leganes to Inverness | 1,185.11 mi (1,907.25 km) |
| Leganes to Inverurie | 1,172.89 mi (1,887.59 km) |
| Leganes to Ipswich | 843.52 mi (1,357.51 km) |
| Leganes to Irlam | 908.46 mi (1,462.03 km) |
| Leganes to Irthlingborough | 842.14 mi (1,355.30 km) |
| Leganes to Irvine | 1,057.37 mi (1,701.67 km) |
| Leganes to Islington | 794.40 mi (1,278.47 km) |
| Leganes to Iver | 788.83 mi (1,269.50 km) |
