| Darby to Ickenham | 3,532.80 mi (5,685.50 km) |
| Darby to Ifield | 3,552.12 mi (5,716.59 km) |
| Darby to Ilford | 3,554.61 mi (5,720.59 km) |
| Darby to Ilfracombe | 3,388.55 mi (5,453.34 km) |
| Darby to Ilkeston | 3,469.09 mi (5,582.97 km) |
| Darby to Ilkley | 3,430.77 mi (5,521.29 km) |
| Darby to Immingham | 3,499.64 mi (5,632.13 km) |
| Darby to Ince-in-Makerfield | 3,407.10 mi (5,483.19 km) |
| Darby to Inverness | 3,284.63 mi (5,286.09 km) |
| Darby to Inverurie | 3,354.68 mi (5,398.83 km) |
| Darby to Ipswich | 3,586.89 mi (5,772.55 km) |
| Darby to Irlam | 3,415.84 mi (5,497.27 km) |
| Darby to Irthlingborough | 3,509.97 mi (5,648.75 km) |
| Darby to Irvine | 3,293.25 mi (5,299.98 km) |
| Darby to Islington | 3,547.22 mi (5,708.69 km) |
