| Ronkonkoma to Havelock (North Carolina) | 456.32 mi (734.38 km) |
| Ronkonkoma to Haverhill (Massachusetts) | 172.42 mi (277.49 km) |
| Ronkonkoma to Havre de Grace (Maryland) | 180.11 mi (289.85 km) |
| Ronkonkoma to Hawaiian Gardens (California) | 2,488.58 mi (4,004.98 km) |
| Ronkonkoma to Hawaiian Paradise Park (Hawaii) | 4,928.13 mi (7,931.06 km) |
| Ronkonkoma to Hawthorne (California) | 2,500.50 mi (4,024.17 km) |
| Ronkonkoma to Hawthorne (New Jersey) | 55.04 mi (88.57 km) |
| Ronkonkoma to Hayden (Idaho) | 2,182.79 mi (3,512.86 km) |
| Ronkonkoma to Hayesville (Oregon) | 2,499.85 mi (4,023.12 km) |
| Ronkonkoma to Hays (Kansas) | 1,390.90 mi (2,238.44 km) |
| Ronkonkoma to Haysville (Kansas) | 1,312.35 mi (2,112.03 km) |
| Ronkonkoma to Hayward (California) | 2,595.45 mi (4,176.97 km) |
| Ronkonkoma to Hazel Crest (Illinois) | 758.30 mi (1,220.36 km) |
| Ronkonkoma to Hazel Dell (Washington) | 2,475.51 mi (3,983.95 km) |
| Ronkonkoma to Hazel Park (Michigan) | 527.28 mi (848.57 km) |
