| Uniondale to Hillcrest Heights (Maryland) | 221.08 mi (355.80 km) |
| Uniondale to Hilliard (Ohio) | 505.31 mi (813.22 km) |
| Uniondale to Hillsboro (Oregon) | 2,470.87 mi (3,976.49 km) |
| Uniondale to Hillsborough (California) | 2,588.82 mi (4,166.31 km) |
| Uniondale to Hillsborough (New Jersey) | 57.35 mi (92.30 km) |
| Uniondale to Hilo (Hawaii) | 4,906.51 mi (7,896.27 km) |
| Uniondale to Hilton Head Island (South Carolina) | 710.26 mi (1,143.05 km) |
| Uniondale to Hinesville (Georgia) | 758.88 mi (1,221.30 km) |
| Uniondale to Hinsdale (Illinois) | 747.31 mi (1,202.67 km) |
| Uniondale to Hobart (Indiana) | 713.37 mi (1,148.06 km) |
| Uniondale to Hobbs (New Mexico) | 1,718.27 mi (2,765.29 km) |
| Uniondale to Hobe Sound (Florida) | 1,014.00 mi (1,631.87 km) |
| Uniondale to Hoboken (New Jersey) | 22.77 mi (36.65 km) |
| Uniondale to Hockessin (Delaware) | 127.56 mi (205.29 km) |
| Uniondale to Hoffman Estates (Illinois) | 759.08 mi (1,221.63 km) |
