| Ub to Ifield | 1,043.41 mi (1,679.20 km) |
| Ub to Ilford | 1,041.37 mi (1,675.92 km) |
| Ub to Ilfracombe | 1,208.14 mi (1,944.32 km) |
| Ub to Ilkeston | 1,132.08 mi (1,821.90 km) |
| Ub to Ilkley | 1,177.97 mi (1,895.77 km) |
| Ub to Immingham | 1,109.64 mi (1,785.79 km) |
| Ub to Ince-in-Makerfield | 1,196.42 mi (1,925.45 km) |
| Ub to Inverness | 1,375.03 mi (2,212.90 km) |
| Ub to Inverurie | 1,309.37 mi (2,107.23 km) |
| Ub to Ipswich | 1,012.00 mi (1,628.66 km) |
| Ub to Irlam | 1,187.18 mi (1,910.58 km) |
| Ub to Irthlingborough | 1,088.19 mi (1,751.27 km) |
| Ub to Irvine | 1,330.00 mi (2,140.42 km) |
| Ub to Islington | 1,048.65 mi (1,687.65 km) |
| Ub to Iver | 1,064.49 mi (1,713.14 km) |
