| Hornchurch to Ifield | 34.99 mi (56.31 km) |
| Hornchurch to Ilford | 5.46 mi (8.78 km) |
| Hornchurch to Ilfracombe | 188.36 mi (303.13 km) |
| Hornchurch to Ilkeston | 117.01 mi (188.31 km) |
| Hornchurch to Ilkley | 184.44 mi (296.83 km) |
| Hornchurch to Immingham | 143.30 mi (230.62 km) |
| Hornchurch to Ince-in-Makerfield | 180.92 mi (291.16 km) |
| Hornchurch to Inverness | 445.92 mi (717.65 km) |
| Hornchurch to Inverurie | 408.89 mi (658.04 km) |
| Hornchurch to Ipswich | 53.19 mi (85.61 km) |
| Hornchurch to Irlam | 171.17 mi (275.47 km) |
| Hornchurch to Irthlingborough | 63.66 mi (102.45 km) |
| Hornchurch to Irvine | 344.48 mi (554.39 km) |
| Hornchurch to Islington | 13.58 mi (21.86 km) |
| Hornchurch to Iver | 31.03 mi (49.94 km) |
