| Mostoles to Ifield | 765.88 mi (1,232.56 km) |
| Mostoles to Ilford | 798.12 mi (1,284.45 km) |
| Mostoles to Ilfracombe | 751.47 mi (1,209.37 km) |
| Mostoles to Ilkeston | 881.42 mi (1,418.50 km) |
| Mostoles to Ilkley | 943.90 mi (1,519.06 km) |
| Mostoles to Immingham | 933.26 mi (1,501.94 km) |
| Mostoles to Ince-in-Makerfield | 914.43 mi (1,471.63 km) |
| Mostoles to Inverness | 1,184.68 mi (1,906.55 km) |
| Mostoles to Inverurie | 1,172.79 mi (1,887.42 km) |
| Mostoles to Ipswich | 844.53 mi (1,359.14 km) |
| Mostoles to Irlam | 908.45 mi (1,462.00 km) |
| Mostoles to Irthlingborough | 842.66 mi (1,356.13 km) |
| Mostoles to Irvine | 1,056.84 mi (1,700.81 km) |
| Mostoles to Islington | 795.14 mi (1,279.65 km) |
| Mostoles to Iver | 789.46 mi (1,270.51 km) |
