| Grenada to Hilliard (Ohio) | 566.98 mi (912.47 km) |
| Grenada to Hillsboro (Oregon) | 1,922.00 mi (3,093.16 km) |
| Grenada to Hillsborough (California) | 1,836.08 mi (2,954.88 km) |
| Grenada to Hillsborough (New Jersey) | 953.65 mi (1,534.75 km) |
| Grenada to Hilo (Hawaii) | 4,078.20 mi (6,563.23 km) |
| Grenada to Hilton Head Island (South Carolina) | 536.46 mi (863.35 km) |
| Grenada to Hinesville (Georgia) | 494.83 mi (796.36 km) |
| Grenada to Hinsdale (Illinois) | 563.51 mi (906.88 km) |
| Grenada to Hobart (Indiana) | 551.96 mi (888.29 km) |
| Grenada to Hobbs (New Mexico) | 774.05 mi (1,245.71 km) |
| Grenada to Hobe Sound (Florida) | 738.80 mi (1,188.98 km) |
| Grenada to Hoboken (New Jersey) | 990.26 mi (1,593.66 km) |
| Grenada to Hockessin (Delaware) | 883.68 mi (1,422.15 km) |
| Grenada to Hoffman Estates (Illinois) | 579.38 mi (932.43 km) |
| Grenada to Holbrook (New York) | 1,037.66 mi (1,669.95 km) |
