| Walnut to Ickenham | 5,416.56 mi (8,717.12 km) |
| Walnut to Ifield | 5,444.24 mi (8,761.66 km) |
| Walnut to Ilford | 5,433.77 mi (8,744.81 km) |
| Walnut to Ilfracombe | 5,310.98 mi (8,547.20 km) |
| Walnut to Ilkeston | 5,325.13 mi (8,569.98 km) |
| Walnut to Ilkley | 5,266.46 mi (8,475.54 km) |
| Walnut to Immingham | 5,330.19 mi (8,578.12 km) |
| Walnut to Ince-in-Makerfield | 5,259.01 mi (8,463.56 km) |
| Walnut to Inverness | 5,040.00 mi (8,111.09 km) |
| Walnut to Inverurie | 5,102.48 mi (8,211.65 km) |
| Walnut to Ipswich | 5,444.50 mi (8,762.07 km) |
| Walnut to Irlam | 5,268.81 mi (8,479.32 km) |
| Walnut to Irthlingborough | 5,376.39 mi (8,652.47 km) |
| Walnut to Irvine | 5,104.92 mi (8,215.57 km) |
| Walnut to Islington | 5,428.34 mi (8,736.07 km) |
