| Irondale to Ickenham | 4,294.72 mi (6,911.69 km) |
| Irondale to Ifield | 4,314.79 mi (6,943.99 km) |
| Irondale to Ilford | 4,316.29 mi (6,946.40 km) |
| Irondale to Ilfracombe | 4,152.54 mi (6,682.87 km) |
| Irondale to Ilkeston | 4,228.23 mi (6,804.68 km) |
| Irondale to Ilkley | 4,187.67 mi (6,739.40 km) |
| Irondale to Immingham | 4,256.59 mi (6,850.32 km) |
| Irondale to Ince-in-Makerfield | 4,165.39 mi (6,703.54 km) |
| Irondale to Inverness | 4,030.77 mi (6,486.89 km) |
| Irondale to Inverurie | 4,100.69 mi (6,599.43 km) |
| Irondale to Ipswich | 4,346.99 mi (6,995.81 km) |
| Irondale to Irlam | 4,174.30 mi (6,717.89 km) |
| Irondale to Irthlingborough | 4,270.31 mi (6,872.40 km) |
| Irondale to Irvine | 4,046.34 mi (6,511.96 km) |
| Irondale to Islington | 4,309.01 mi (6,934.68 km) |
