| Grenada to Ickenham | 4,409.35 mi (7,096.17 km) |
| Grenada to Ifield | 4,430.39 mi (7,130.03 km) |
| Grenada to Ilford | 4,430.59 mi (7,130.35 km) |
| Grenada to Ilfracombe | 4,270.24 mi (6,872.29 km) |
| Grenada to Ilkeston | 4,339.66 mi (6,984.01 km) |
| Grenada to Ilkley | 4,296.80 mi (6,915.03 km) |
| Grenada to Immingham | 4,365.66 mi (7,025.85 km) |
| Grenada to Ince-in-Makerfield | 4,276.00 mi (6,881.56 km) |
| Grenada to Inverness | 4,130.92 mi (6,648.08 km) |
| Grenada to Inverurie | 4,200.59 mi (6,760.20 km) |
| Grenada to Ipswich | 4,459.32 mi (7,176.58 km) |
| Grenada to Irlam | 4,285.07 mi (6,896.16 km) |
| Grenada to Irthlingborough | 4,383.05 mi (7,053.83 km) |
| Grenada to Irvine | 4,152.15 mi (6,682.24 km) |
| Grenada to Islington | 4,423.47 mi (7,118.88 km) |
