| Irig to Ifield | 1,010.33 mi (1,625.98 km) |
| Irig to Ilford | 1,007.28 mi (1,621.07 km) |
| Irig to Ilfracombe | 1,176.21 mi (1,892.92 km) |
| Irig to Ilkeston | 1,095.99 mi (1,763.83 km) |
| Irig to Ilkley | 1,140.58 mi (1,835.59 km) |
| Irig to Immingham | 1,072.05 mi (1,725.30 km) |
| Irig to Ince-in-Makerfield | 1,159.91 mi (1,866.70 km) |
| Irig to Inverness | 1,334.17 mi (2,147.14 km) |
| Irig to Inverurie | 1,268.13 mi (2,040.85 km) |
| Irig to Ipswich | 976.44 mi (1,571.43 km) |
| Irig to Irlam | 1,150.76 mi (1,851.97 km) |
| Irig to Irthlingborough | 1,052.94 mi (1,694.55 km) |
| Irig to Irvine | 1,291.31 mi (2,078.17 km) |
| Irig to Islington | 1,014.68 mi (1,632.97 km) |
| Irig to Iver | 1,030.73 mi (1,658.81 km) |
