| Boston to Ifield | 128.11 mi (206.17 km) |
| Boston to Ilford | 97.98 mi (157.68 km) |
| Boston to Ilfracombe | 212.46 mi (341.92 km) |
| Boston to Ilkeston | 53.57 mi (86.22 km) |
| Boston to Ilkley | 99.02 mi (159.36 km) |
| Boston to Immingham | 44.95 mi (72.35 km) |
| Boston to Ince-in-Makerfield | 113.49 mi (182.64 km) |
| Boston to Inverness | 352.36 mi (567.07 km) |
| Boston to Inverurie | 311.72 mi (501.66 km) |
| Boston to Ipswich | 80.26 mi (129.17 km) |
| Boston to Irlam | 104.52 mi (168.22 km) |
| Boston to Irthlingborough | 51.32 mi (82.60 km) |
| Boston to Irvine | 261.49 mi (420.82 km) |
| Boston to Islington | 98.86 mi (159.10 km) |
| Boston to Iver | 102.47 mi (164.91 km) |
