| Grimes to Ickenham | 4,174.32 mi (6,717.92 km) |
| Grimes to Ifield | 4,198.76 mi (6,757.26 km) |
| Grimes to Ilford | 4,193.98 mi (6,749.56 km) |
| Grimes to Ilfracombe | 4,049.24 mi (6,516.62 km) |
| Grimes to Ilkeston | 4,093.58 mi (6,587.98 km) |
| Grimes to Ilkley | 4,042.89 mi (6,506.40 km) |
| Grimes to Immingham | 4,110.47 mi (6,615.16 km) |
| Grimes to Ince-in-Makerfield | 4,027.85 mi (6,482.20 km) |
| Grimes to Inverness | 3,847.75 mi (6,192.36 km) |
| Grimes to Inverurie | 3,915.50 mi (6,301.39 km) |
| Grimes to Ipswich | 4,214.83 mi (6,783.12 km) |
| Grimes to Irlam | 4,037.39 mi (6,497.55 km) |
| Grimes to Irthlingborough | 4,141.21 mi (6,664.64 km) |
| Grimes to Irvine | 3,888.43 mi (6,257.83 km) |
| Grimes to Islington | 4,187.54 mi (6,739.20 km) |
