| Walnut Park to Ickenham | 5,431.97 mi (8,741.91 km) |
| Walnut Park to Ifield | 5,459.70 mi (8,786.55 km) |
| Walnut Park to Ilford | 5,449.12 mi (8,769.51 km) |
| Walnut Park to Ilfracombe | 5,326.84 mi (8,572.72 km) |
| Walnut Park to Ilkeston | 5,340.35 mi (8,594.47 km) |
| Walnut Park to Ilkley | 5,281.53 mi (8,499.81 km) |
| Walnut Park to Immingham | 5,345.16 mi (8,602.21 km) |
| Walnut Park to Ince-in-Makerfield | 5,274.24 mi (8,488.07 km) |
| Walnut Park to Inverness | 5,054.54 mi (8,134.50 km) |
| Walnut Park to Inverurie | 5,116.89 mi (8,234.85 km) |
| Walnut Park to Ipswich | 5,459.63 mi (8,786.43 km) |
| Walnut Park to Irlam | 5,284.04 mi (8,503.84 km) |
| Walnut Park to Irthlingborough | 5,391.67 mi (8,677.05 km) |
| Walnut Park to Irvine | 5,119.91 mi (8,239.71 km) |
| Walnut Park to Islington | 5,443.71 mi (8,760.81 km) |
