| Grafton to Ickenham | 3,879.23 mi (6,243.02 km) |
| Grafton to Ifield | 3,902.94 mi (6,281.17 km) |
| Grafton to Ilford | 3,899.31 mi (6,275.33 km) |
| Grafton to Ilfracombe | 3,750.75 mi (6,036.25 km) |
| Grafton to Ilkeston | 3,800.97 mi (6,117.07 km) |
| Grafton to Ilkley | 3,752.14 mi (6,038.49 km) |
| Grafton to Immingham | 3,820.21 mi (6,148.03 km) |
| Grafton to Ince-in-Makerfield | 3,735.61 mi (6,011.88 km) |
| Grafton to Inverness | 3,564.69 mi (5,736.81 km) |
| Grafton to Inverurie | 3,633.18 mi (5,847.05 km) |
| Grafton to Ipswich | 3,922.09 mi (6,312.00 km) |
| Grafton to Irlam | 3,745.05 mi (6,027.08 km) |
| Grafton to Irthlingborough | 3,847.67 mi (6,192.22 km) |
| Grafton to Irvine | 3,599.92 mi (5,793.51 km) |
| Grafton to Islington | 3,892.69 mi (6,264.68 km) |
