| Bletchley to Ifield | 64.24 mi (103.38 km) |
| Bletchley to Ilford | 46.17 mi (74.31 km) |
| Bletchley to Ilfracombe | 155.19 mi (249.76 km) |
| Bletchley to Ilkeston | 71.74 mi (115.45 km) |
| Bletchley to Ilkley | 140.92 mi (226.78 km) |
| Bletchley to Immingham | 113.96 mi (183.40 km) |
| Bletchley to Ince-in-Makerfield | 132.30 mi (212.91 km) |
| Bletchley to Inverness | 403.56 mi (649.47 km) |
| Bletchley to Inverurie | 371.10 mi (597.22 km) |
| Bletchley to Ipswich | 80.37 mi (129.35 km) |
| Bletchley to Irlam | 122.68 mi (197.44 km) |
| Bletchley to Irthlingborough | 23.34 mi (37.57 km) |
| Bletchley to Irvine | 297.34 mi (478.52 km) |
| Bletchley to Islington | 41.12 mi (66.17 km) |
| Bletchley to Iver | 34.07 mi (54.83 km) |
