| Holt to Ickenham | 3,780.05 mi (6,083.40 km) |
| Holt to Ifield | 3,802.77 mi (6,119.96 km) |
| Holt to Ilford | 3,800.61 mi (6,116.49 km) |
| Holt to Ilfracombe | 3,647.32 mi (5,869.80 km) |
| Holt to Ilkeston | 3,705.06 mi (5,962.71 km) |
| Holt to Ilkley | 3,658.61 mi (5,887.96 km) |
| Holt to Immingham | 3,727.11 mi (5,998.21 km) |
| Holt to Ince-in-Makerfield | 3,640.28 mi (5,858.46 km) |
| Holt to Inverness | 3,480.51 mi (5,601.33 km) |
| Holt to Inverurie | 3,549.66 mi (5,712.63 km) |
| Holt to Ipswich | 3,825.78 mi (6,157.00 km) |
| Holt to Irlam | 3,649.59 mi (5,873.45 km) |
| Holt to Irthlingborough | 3,750.50 mi (6,035.84 km) |
| Holt to Irvine | 3,509.39 mi (5,647.82 km) |
| Holt to Islington | 3,793.78 mi (6,105.50 km) |
