| Castelginest to Ifield | 519.01 mi (835.27 km) |
| Castelginest to Ilford | 546.93 mi (880.19 km) |
| Castelginest to Ilfracombe | 580.00 mi (933.42 km) |
| Castelginest to Ilkeston | 653.13 mi (1,051.12 km) |
| Castelginest to Ilkley | 722.07 mi (1,162.06 km) |
| Castelginest to Immingham | 689.51 mi (1,109.65 km) |
| Castelginest to Ince-in-Makerfield | 704.52 mi (1,133.82 km) |
| Castelginest to Inverness | 983.36 mi (1,582.57 km) |
| Castelginest to Inverurie | 953.20 mi (1,534.02 km) |
| Castelginest to Ipswich | 578.16 mi (930.46 km) |
| Castelginest to Irlam | 696.16 mi (1,120.36 km) |
| Castelginest to Irthlingborough | 603.70 mi (971.55 km) |
| Castelginest to Irvine | 867.13 mi (1,395.51 km) |
| Castelginest to Islington | 547.07 mi (880.42 km) |
| Castelginest to Iver | 548.26 mi (882.35 km) |
