| Holtsville to Hamtramck (Michigan) | 528.33 mi (850.26 km) |
| Holtsville to Hanahan (South Carolina) | 666.20 mi (1,072.14 km) |
| Holtsville to Hanford (California) | 2,507.21 mi (4,034.97 km) |
| Holtsville to Hannibal (Missouri) | 968.69 mi (1,558.96 km) |
| Holtsville to Hanover (Pennsylvania) | 218.71 mi (351.98 km) |
| Holtsville to Hanover Park (Illinois) | 785.75 mi (1,264.55 km) |
| Holtsville to Happy Valley (Oregon) | 2,475.13 mi (3,983.33 km) |
| Holtsville to Harker Heights (Texas) | 1,525.23 mi (2,454.62 km) |
| Holtsville to Harlingen (Texas) | 1,732.88 mi (2,788.81 km) |
| Holtsville to Harper Woods (Michigan) | 522.41 mi (840.73 km) |
| Holtsville to Harrisburg (North Carolina) | 561.28 mi (903.30 km) |
| Holtsville to Harrisburg (Pennsylvania) | 204.97 mi (329.86 km) |
| Holtsville to Harrison (Arkansas) | 1,127.19 mi (1,814.04 km) |
| Holtsville to Harrison (New Jersey) | 58.19 mi (93.65 km) |
| Holtsville to Harrison (New York) | 38.12 mi (61.35 km) |
