| Ponders End to Ickenham | 18.31 mi (29.46 km) |
| Ponders End to Ifield | 36.77 mi (59.18 km) |
| Ponders End to Ilford | 8.33 mi (13.41 km) |
| Ponders End to Ilfracombe | 178.08 mi (286.58 km) |
| Ponders End to Ilkeston | 105.96 mi (170.52 km) |
| Ponders End to Ilkley | 174.06 mi (280.13 km) |
| Ponders End to Immingham | 136.16 mi (219.13 km) |
| Ponders End to Ince-in-Makerfield | 169.12 mi (272.18 km) |
| Ponders End to Inverness | 436.13 mi (701.88 km) |
| Ponders End to Inverurie | 400.34 mi (644.28 km) |
| Ponders End to Ipswich | 58.70 mi (94.47 km) |
| Ponders End to Irlam | 159.41 mi (256.54 km) |
| Ponders End to Irthlingborough | 52.71 mi (84.83 km) |
| Ponders End to Irvine | 333.23 mi (536.29 km) |
| Ponders End to Islington | 7.46 mi (12.00 km) |
