| Seymour to Ickenham | 4,003.44 mi (6,442.91 km) |
| Seymour to Ifield | 4,025.17 mi (6,477.89 km) |
| Seymour to Ilford | 4,024.42 mi (6,476.68 km) |
| Seymour to Ilfracombe | 3,866.84 mi (6,223.08 km) |
| Seymour to Ilkeston | 3,931.61 mi (6,327.31 km) |
| Seymour to Ilkley | 3,887.35 mi (6,256.08 km) |
| Seymour to Immingham | 3,956.11 mi (6,366.74 km) |
| Seymour to Ince-in-Makerfield | 3,867.48 mi (6,224.10 km) |
| Seymour to Inverness | 3,717.08 mi (5,982.06 km) |
| Seymour to Inverurie | 3,786.61 mi (6,093.96 km) |
| Seymour to Ipswich | 4,051.75 mi (6,520.66 km) |
| Seymour to Irlam | 3,876.65 mi (6,238.86 km) |
| Seymour to Irthlingborough | 3,975.82 mi (6,398.47 km) |
| Seymour to Irvine | 3,740.94 mi (6,020.47 km) |
| Seymour to Islington | 4,017.41 mi (6,465.39 km) |
