| Middle River to Ickenham | 3,605.92 mi (5,803.17 km) |
| Middle River to Ifield | 3,625.31 mi (5,834.37 km) |
| Middle River to Ilford | 3,627.71 mi (5,838.23 km) |
| Middle River to Ilfracombe | 3,461.86 mi (5,571.32 km) |
| Middle River to Ilkeston | 3,541.94 mi (5,700.21 km) |
| Middle River to Ilkley | 3,503.40 mi (5,638.17 km) |
| Middle River to Immingham | 3,572.28 mi (5,749.03 km) |
| Middle River to Ince-in-Makerfield | 3,479.86 mi (5,600.29 km) |
| Middle River to Inverness | 3,356.15 mi (5,401.20 km) |
| Middle River to Inverurie | 3,426.20 mi (5,513.94 km) |
| Middle River to Ipswich | 3,659.84 mi (5,889.94 km) |
| Middle River to Irlam | 3,488.62 mi (5,614.39 km) |
| Middle River to Irthlingborough | 3,582.93 mi (5,766.17 km) |
| Middle River to Irvine | 3,365.49 mi (5,416.23 km) |
| Middle River to Islington | 3,620.32 mi (5,826.35 km) |
