| Progress to Ickenham | 3,580.72 mi (5,762.62 km) |
| Progress to Ifield | 3,600.63 mi (5,794.65 km) |
| Progress to Ilford | 3,602.35 mi (5,797.43 km) |
| Progress to Ilfracombe | 3,438.16 mi (5,533.18 km) |
| Progress to Ilkeston | 3,515.06 mi (5,656.95 km) |
| Progress to Ilkley | 3,475.34 mi (5,593.02 km) |
| Progress to Immingham | 3,544.26 mi (5,703.93 km) |
| Progress to Ince-in-Makerfield | 3,452.51 mi (5,556.28 km) |
| Progress to Inverness | 3,323.64 mi (5,348.89 km) |
| Progress to Inverurie | 3,393.67 mi (5,461.58 km) |
| Progress to Ipswich | 3,633.52 mi (5,847.58 km) |
| Progress to Irlam | 3,461.36 mi (5,570.53 km) |
| Progress to Irthlingborough | 3,556.75 mi (5,724.04 km) |
| Progress to Irvine | 3,335.66 mi (5,368.22 km) |
| Progress to Islington | 3,595.04 mi (5,785.67 km) |
