| Grenada to Hormigueros (Puerto Rico) | 1,768.73 mi (2,846.50 km) |
| Grenada to Horn Lake (Mississippi) | 81.94 mi (131.86 km) |
| Grenada to Hot Springs (Arkansas) | 191.46 mi (308.13 km) |
| Grenada to Hot Springs Village (Arkansas) | 189.91 mi (305.63 km) |
| Grenada to Houma (Louisiana) | 295.01 mi (474.77 km) |
| Grenada to Houston (Texas) | 428.17 mi (689.07 km) |
| Grenada to Howard (Wisconsin) | 751.05 mi (1,208.70 km) |
| Grenada to Huber Heights (Ohio) | 524.85 mi (844.66 km) |
| Grenada to Hudson (Florida) | 563.68 mi (907.16 km) |
| Grenada to Hudson (Ohio) | 689.31 mi (1,109.33 km) |
| Grenada to Hudson (Wisconsin) | 788.04 mi (1,268.22 km) |
| Grenada to Hueytown (Alabama) | 162.50 mi (261.52 km) |
| Grenada to Hugo (Minnesota) | 804.18 mi (1,294.20 km) |
| Grenada to Humacao (Puerto Rico) | 1,832.31 mi (2,948.82 km) |
| Grenada to Humble (Texas) | 413.25 mi (665.06 km) |
