| Llanelli to Ickenham | 159.57 mi (256.80 km) |
| Llanelli to Ifield | 174.82 mi (281.35 km) |
| Llanelli to Ilford | 182.45 mi (293.62 km) |
| Llanelli to Ilfracombe | 32.94 mi (53.01 km) |
| Llanelli to Ilkeston | 149.75 mi (241.00 km) |
| Llanelli to Ilkley | 183.11 mi (294.68 km) |
| Llanelli to Immingham | 212.37 mi (341.77 km) |
| Llanelli to Ince-in-Makerfield | 144.05 mi (231.83 km) |
| Llanelli to Inverness | 400.32 mi (644.25 km) |
| Llanelli to Inverurie | 393.18 mi (632.76 km) |
| Llanelli to Ipswich | 228.32 mi (367.44 km) |
| Llanelli to Irlam | 141.94 mi (228.44 km) |
| Llanelli to Irthlingborough | 157.28 mi (253.12 km) |
| Llanelli to Irvine | 272.72 mi (438.90 km) |
| Llanelli to Islington | 174.45 mi (280.75 km) |
