| London to Hythe | 60.38 mi (97.18 km) |
| London to Ickenham | 14.23 mi (22.90 km) |
| London to Ifield | 26.74 mi (43.04 km) |
| London to Ilford | 9.80 mi (15.78 km) |
| London to Ilfracombe | 173.47 mi (279.18 km) |
| London to Ilkeston | 112.81 mi (181.56 km) |
| London to Ilkley | 181.47 mi (292.05 km) |
| London to Immingham | 145.61 mi (234.33 km) |
| London to Ince-in-Makerfield | 174.69 mi (281.14 km) |
| London to Inverness | 443.89 mi (714.37 km) |
| London to Inverurie | 408.97 mi (658.17 km) |
| London to Ipswich | 66.81 mi (107.52 km) |
| London to Irlam | 165.06 mi (265.64 km) |
| London to Irthlingborough | 60.12 mi (96.76 km) |
| London to Irvine | 339.50 mi (546.38 km) |
