| Milford Haven to Ickenham | 197.28 mi (317.49 km) |
| Milford Haven to Ifield | 212.27 mi (341.61 km) |
| Milford Haven to Ilford | 220.15 mi (354.29 km) |
| Milford Haven to Ilfracombe | 52.92 mi (85.17 km) |
| Milford Haven to Ilkeston | 179.91 mi (289.54 km) |
| Milford Haven to Ilkley | 203.47 mi (327.46 km) |
| Milford Haven to Immingham | 240.96 mi (387.78 km) |
| Milford Haven to Ince-in-Makerfield | 162.53 mi (261.56 km) |
| Milford Haven to Inverness | 399.56 mi (643.03 km) |
| Milford Haven to Inverurie | 399.05 mi (642.20 km) |
| Milford Haven to Ipswich | 265.32 mi (426.99 km) |
| Milford Haven to Irlam | 162.48 mi (261.49 km) |
| Milford Haven to Irthlingborough | 192.93 mi (310.49 km) |
| Milford Haven to Irvine | 270.32 mi (435.04 km) |
| Milford Haven to Islington | 212.16 mi (341.44 km) |
