| Reus to Ifield | 691.60 mi (1,113.02 km) |
| Reus to Ilford | 720.38 mi (1,159.35 km) |
| Reus to Ilfracombe | 737.79 mi (1,187.36 km) |
| Reus to Ilkeston | 824.18 mi (1,326.39 km) |
| Reus to Ilkley | 892.65 mi (1,436.59 km) |
| Reus to Immingham | 863.03 mi (1,388.91 km) |
| Reus to Ince-in-Makerfield | 872.86 mi (1,404.73 km) |
| Reus to Inverness | 1,152.23 mi (1,854.34 km) |
| Reus to Inverurie | 1,124.84 mi (1,810.25 km) |
| Reus to Ipswich | 753.43 mi (1,212.53 km) |
| Reus to Irlam | 864.85 mi (1,391.84 km) |
| Reus to Irthlingborough | 775.95 mi (1,248.77 km) |
| Reus to Irvine | 1,033.04 mi (1,662.51 km) |
| Reus to Islington | 720.11 mi (1,158.91 km) |
| Reus to Iver | 720.31 mi (1,159.23 km) |
