| Ronkonkoma to Hereford (Texas) | 1,642.16 mi (2,642.80 km) |
| Ronkonkoma to Hermiston (Oregon) | 2,313.49 mi (3,723.21 km) |
| Ronkonkoma to Hermitage (Pennsylvania) | 382.46 mi (615.51 km) |
| Ronkonkoma to Hermosa Beach (California) | 2,504.46 mi (4,030.53 km) |
| Ronkonkoma to Hernando (Mississippi) | 1,006.06 mi (1,619.09 km) |
| Ronkonkoma to Herndon (Virginia) | 259.01 mi (416.84 km) |
| Ronkonkoma to Herriman (Utah) | 2,021.98 mi (3,254.06 km) |
| Ronkonkoma to Herrin (Illinois) | 874.06 mi (1,406.67 km) |
| Ronkonkoma to Hershey (Pennsylvania) | 188.37 mi (303.15 km) |
| Ronkonkoma to Hesperia (California) | 2,432.97 mi (3,915.48 km) |
| Ronkonkoma to Hewitt (Texas) | 1,484.02 mi (2,388.31 km) |
| Ronkonkoma to Hialeah (Florida) | 1,110.93 mi (1,787.87 km) |
| Ronkonkoma to Hialeah Gardens (Florida) | 1,110.87 mi (1,787.77 km) |
| Ronkonkoma to Hibbing (Minnesota) | 1,079.96 mi (1,738.02 km) |
| Ronkonkoma to Hickory (North Carolina) | 565.33 mi (909.80 km) |
