| Cwmbran to Ifield | 126.71 mi (203.92 km) |
| Cwmbran to Ilford | 133.47 mi (214.80 km) |
| Cwmbran to Ilfracombe | 56.45 mi (90.85 km) |
| Cwmbran to Ilkeston | 116.28 mi (187.13 km) |
| Cwmbran to Ilkley | 164.77 mi (265.18 km) |
| Cwmbran to Immingham | 179.33 mi (288.60 km) |
| Cwmbran to Ince-in-Makerfield | 131.59 mi (211.77 km) |
| Cwmbran to Inverness | 405.32 mi (652.29 km) |
| Cwmbran to Inverurie | 389.63 mi (627.06 km) |
| Cwmbran to Ipswich | 180.41 mi (290.34 km) |
| Cwmbran to Irlam | 126.35 mi (203.33 km) |
| Cwmbran to Irthlingborough | 112.41 mi (180.91 km) |
| Cwmbran to Irvine | 282.20 mi (454.15 km) |
| Cwmbran to Islington | 125.47 mi (201.92 km) |
| Cwmbran to Iver | 108.30 mi (174.30 km) |
