| Kastamonu to Ifield | 1,738.42 mi (2,797.71 km) |
| Kastamonu to Ilford | 1,731.18 mi (2,786.06 km) |
| Kastamonu to Ilfracombe | 1,907.19 mi (3,069.33 km) |
| Kastamonu to Ilkeston | 1,808.23 mi (2,910.06 km) |
| Kastamonu to Ilkley | 1,843.34 mi (2,966.57 km) |
| Kastamonu to Immingham | 1,774.60 mi (2,855.94 km) |
| Kastamonu to Ince-in-Makerfield | 1,868.53 mi (3,007.11 km) |
| Kastamonu to Inverness | 1,998.59 mi (3,216.42 km) |
| Kastamonu to Inverurie | 1,929.04 mi (3,104.49 km) |
| Kastamonu to Ipswich | 1,693.47 mi (2,725.37 km) |
| Kastamonu to Irlam | 1,860.06 mi (2,993.48 km) |
| Kastamonu to Irthlingborough | 1,770.59 mi (2,849.48 km) |
| Kastamonu to Irvine | 1,980.64 mi (3,187.53 km) |
| Kastamonu to Islington | 1,738.97 mi (2,798.60 km) |
| Kastamonu to Iver | 1,755.79 mi (2,825.67 km) |
