| Grenada to Indianola (Iowa) | 562.52 mi (905.29 km) |
| Grenada to Indio (California) | 1,513.54 mi (2,435.81 km) |
| Grenada to Inglewood (California) | 1,631.52 mi (2,625.69 km) |
| Grenada to Inkster (Michigan) | 685.73 mi (1,103.57 km) |
| Grenada to Inver Grove Heights (Minnesota) | 782.32 mi (1,259.02 km) |
| Grenada to Inwood (New York) | 1,000.18 mi (1,609.63 km) |
| Grenada to Iona (Florida) | 686.63 mi (1,105.02 km) |
| Grenada to Ionia (Michigan) | 684.97 mi (1,102.35 km) |
| Grenada to Iowa City (Iowa) | 552.06 mi (888.46 km) |
| Grenada to Irmo (South Carolina) | 494.30 mi (795.50 km) |
| Grenada to Irondale (Alabama) | 182.02 mi (292.94 km) |
| Grenada to Ironton (Ohio) | 515.63 mi (829.82 km) |
| Grenada to Irvine (California) | 1,601.73 mi (2,577.73 km) |
| Grenada to Irving (Texas) | 418.03 mi (672.75 km) |
| Grenada to Isabela (Puerto Rico) | 1,757.17 mi (2,827.88 km) |
