| Pontneddfechan to Ickenham | 135.24 mi (217.66 km) |
| Pontneddfechan to Ifield | 151.98 mi (244.60 km) |
| Pontneddfechan to Ilford | 158.04 mi (254.34 km) |
| Pontneddfechan to Ilfracombe | 44.21 mi (71.16 km) |
| Pontneddfechan to Ilkeston | 127.65 mi (205.44 km) |
| Pontneddfechan to Ilkley | 167.03 mi (268.81 km) |
| Pontneddfechan to Immingham | 190.77 mi (307.01 km) |
| Pontneddfechan to Ince-in-Makerfield | 130.09 mi (209.37 km) |
| Pontneddfechan to Inverness | 396.20 mi (637.61 km) |
| Pontneddfechan to Inverurie | 384.76 mi (619.21 km) |
| Pontneddfechan to Ipswich | 203.24 mi (327.09 km) |
| Pontneddfechan to Irlam | 126.57 mi (203.70 km) |
| Pontneddfechan to Irthlingborough | 132.34 mi (212.98 km) |
| Pontneddfechan to Irvine | 270.61 mi (435.50 km) |
| Pontneddfechan to Islington | 150.10 mi (241.57 km) |
