| Potters Bar to Ickenham | 14.94 mi (24.04 km) |
| Potters Bar to Ifield | 39.71 mi (63.91 km) |
| Potters Bar to Ilford | 15.07 mi (24.26 km) |
| Potters Bar to Ilfracombe | 172.84 mi (278.15 km) |
| Potters Bar to Ilkeston | 99.98 mi (160.90 km) |
| Potters Bar to Ilkley | 168.40 mi (271.01 km) |
| Potters Bar to Immingham | 132.38 mi (213.05 km) |
| Potters Bar to Ince-in-Makerfield | 162.68 mi (261.81 km) |
| Potters Bar to Inverness | 430.70 mi (693.14 km) |
| Potters Bar to Inverurie | 395.58 mi (636.62 km) |
| Potters Bar to Ipswich | 62.32 mi (100.29 km) |
| Potters Bar to Irlam | 152.99 mi (246.21 km) |
| Potters Bar to Irthlingborough | 46.98 mi (75.60 km) |
| Potters Bar to Irvine | 327.05 mi (526.33 km) |
| Potters Bar to Islington | 11.18 mi (18.00 km) |
