| Walnut Creek to Ickenham | 5,323.38 mi (8,567.15 km) |
| Walnut Creek to Ifield | 5,352.33 mi (8,613.74 km) |
| Walnut Creek to Ilford | 5,339.18 mi (8,592.57 km) |
| Walnut Creek to Ilfracombe | 5,228.94 mi (8,415.17 km) |
| Walnut Creek to Ilkeston | 5,227.88 mi (8,413.46 km) |
| Walnut Creek to Ilkley | 5,166.18 mi (8,314.17 km) |
| Walnut Creek to Immingham | 5,227.34 mi (8,412.60 km) |
| Walnut Creek to Ince-in-Makerfield | 5,162.38 mi (8,308.05 km) |
| Walnut Creek to Inverness | 4,928.77 mi (7,932.10 km) |
| Walnut Creek to Inverurie | 4,988.19 mi (8,027.71 km) |
| Walnut Creek to Ipswich | 5,344.90 mi (8,601.78 km) |
| Walnut Creek to Irlam | 5,172.18 mi (8,323.82 km) |
| Walnut Creek to Irthlingborough | 5,280.25 mi (8,497.75 km) |
| Walnut Creek to Irvine | 5,003.46 mi (8,052.29 km) |
| Walnut Creek to Islington | 5,334.30 mi (8,584.73 km) |
