| Runcorn to Ickenham | 156.35 mi (251.63 km) |
| Runcorn to Ifield | 186.85 mi (300.71 km) |
| Runcorn to Ilford | 171.13 mi (275.41 km) |
| Runcorn to Ilfracombe | 158.65 mi (255.33 km) |
| Runcorn to Ilkeston | 64.34 mi (103.55 km) |
| Runcorn to Ilkley | 54.94 mi (88.41 km) |
| Runcorn to Immingham | 105.12 mi (169.17 km) |
| Runcorn to Ince-in-Makerfield | 14.78 mi (23.78 km) |
| Runcorn to Inverness | 291.67 mi (469.39 km) |
| Runcorn to Inverurie | 272.45 mi (438.47 km) |
| Runcorn to Ipswich | 185.35 mi (298.29 km) |
| Runcorn to Irlam | 14.68 mi (23.63 km) |
| Runcorn to Irthlingborough | 113.02 mi (181.88 km) |
| Runcorn to Irvine | 175.39 mi (282.26 km) |
| Runcorn to Islington | 166.44 mi (267.85 km) |
