| Millbrook to Ickenham | 4,334.50 mi (6,975.70 km) |
| Millbrook to Ifield | 4,354.13 mi (7,007.29 km) |
| Millbrook to Ilford | 4,356.20 mi (7,010.63 km) |
| Millbrook to Ilfracombe | 4,191.01 mi (6,744.78 km) |
| Millbrook to Ilkeston | 4,269.44 mi (6,870.99 km) |
| Millbrook to Ilkley | 4,229.86 mi (6,807.30 km) |
| Millbrook to Immingham | 4,298.78 mi (6,918.21 km) |
| Millbrook to Ince-in-Makerfield | 4,206.97 mi (6,770.46 km) |
| Millbrook to Inverness | 4,076.63 mi (6,560.70 km) |
| Millbrook to Inverurie | 4,146.62 mi (6,673.34 km) |
| Millbrook to Ipswich | 4,387.75 mi (7,061.39 km) |
| Millbrook to Irlam | 4,215.81 mi (6,784.69 km) |
| Millbrook to Irthlingborough | 4,310.93 mi (6,937.77 km) |
| Millbrook to Irvine | 4,089.98 mi (6,582.18 km) |
| Millbrook to Islington | 4,348.86 mi (6,998.81 km) |
