| Superior to Ickenham | 3,875.85 mi (6,237.58 km) |
| Superior to Ifield | 3,901.43 mi (6,278.74 km) |
| Superior to Ilford | 3,894.79 mi (6,268.06 km) |
| Superior to Ilfracombe | 3,756.99 mi (6,046.29 km) |
| Superior to Ilkeston | 3,791.45 mi (6,101.74 km) |
| Superior to Ilkley | 3,738.16 mi (6,015.99 km) |
| Superior to Immingham | 3,804.88 mi (6,123.37 km) |
| Superior to Ince-in-Makerfield | 3,725.35 mi (5,995.37 km) |
| Superior to Inverness | 3,533.68 mi (5,686.90 km) |
| Superior to Inverurie | 3,600.40 mi (5,794.28 km) |
| Superior to Ipswich | 3,912.57 mi (6,296.68 km) |
| Superior to Irlam | 3,735.00 mi (6,010.91 km) |
| Superior to Irthlingborough | 3,840.38 mi (6,180.49 km) |
| Superior to Irvine | 3,581.04 mi (5,763.13 km) |
| Superior to Islington | 3,888.65 mi (6,258.18 km) |
