| Ironton to Ickenham | 3,895.49 mi (6,269.19 km) |
| Ironton to Ifield | 3,916.25 mi (6,302.59 km) |
| Ironton to Ilford | 3,916.84 mi (6,303.55 km) |
| Ironton to Ilfracombe | 3,755.53 mi (6,043.94 km) |
| Ironton to Ilkeston | 3,826.91 mi (6,158.82 km) |
| Ironton to Ilkley | 3,785.00 mi (6,091.36 km) |
| Ironton to Immingham | 3,853.90 mi (6,202.25 km) |
| Ironton to Ince-in-Makerfield | 3,763.56 mi (6,056.87 km) |
| Ironton to Inverness | 3,623.97 mi (5,832.21 km) |
| Ironton to Inverurie | 3,693.82 mi (5,944.63 km) |
| Ironton to Ipswich | 3,946.25 mi (6,350.88 km) |
| Ironton to Irlam | 3,772.57 mi (6,071.37 km) |
| Ironton to Irthlingborough | 3,869.82 mi (6,227.87 km) |
| Ironton to Irvine | 3,641.92 mi (5,861.10 km) |
| Ironton to Islington | 3,909.66 mi (6,292.00 km) |
