| Preakness to Ickenham | 3,446.15 mi (5,546.04 km) |
| Preakness to Ifield | 3,465.64 mi (5,577.40 km) |
| Preakness to Ilford | 3,467.91 mi (5,581.06 km) |
| Preakness to Ilfracombe | 3,302.39 mi (5,314.68 km) |
| Preakness to Ilkeston | 3,381.93 mi (5,442.69 km) |
| Preakness to Ilkley | 3,343.28 mi (5,380.49 km) |
| Preakness to Immingham | 3,412.17 mi (5,491.35 km) |
| Preakness to Ince-in-Makerfield | 3,319.80 mi (5,342.69 km) |
| Preakness to Inverness | 3,196.19 mi (5,143.76 km) |
| Preakness to Inverurie | 3,266.24 mi (5,256.50 km) |
| Preakness to Ipswich | 3,499.90 mi (5,632.54 km) |
| Preakness to Irlam | 3,328.57 mi (5,356.81 km) |
| Preakness to Irthlingborough | 3,423.01 mi (5,508.80 km) |
| Preakness to Irvine | 3,205.33 mi (5,158.47 km) |
| Preakness to Islington | 3,460.54 mi (5,569.20 km) |
