| Pont-y-pwl to Ickenham | 111.64 mi (179.66 km) |
| Pont-y-pwl to Ifield | 128.50 mi (206.81 km) |
| Pont-y-pwl to Ilford | 134.47 mi (216.41 km) |
| Pont-y-pwl to Ilfracombe | 57.69 mi (92.84 km) |
| Pont-y-pwl to Ilkeston | 114.11 mi (183.64 km) |
| Pont-y-pwl to Ilkley | 161.74 mi (260.29 km) |
| Pont-y-pwl to Immingham | 177.25 mi (285.25 km) |
| Pont-y-pwl to Ince-in-Makerfield | 128.28 mi (206.45 km) |
| Pont-y-pwl to Inverness | 401.79 mi (646.61 km) |
| Pont-y-pwl to Inverurie | 386.24 mi (621.59 km) |
| Pont-y-pwl to Ipswich | 180.65 mi (290.73 km) |
| Pont-y-pwl to Irlam | 123.13 mi (198.16 km) |
| Pont-y-pwl to Irthlingborough | 111.77 mi (179.87 km) |
| Pont-y-pwl to Irvine | 278.64 mi (448.42 km) |
| Pont-y-pwl to Islington | 126.51 mi (203.59 km) |
