| Holtsville to Hazelwood (Missouri) | 929.64 mi (1,496.11 km) |
| Holtsville to Hazleton (Pennsylvania) | 153.24 mi (246.61 km) |
| Holtsville to Healdsburg (California) | 2,616.19 mi (4,210.35 km) |
| Holtsville to Heath (Ohio) | 497.04 mi (799.90 km) |
| Holtsville to Heber (Utah) | 1,994.06 mi (3,209.13 km) |
| Holtsville to Helena (Alabama) | 921.58 mi (1,483.14 km) |
| Holtsville to Helena (Montana) | 1,966.38 mi (3,164.59 km) |
| Holtsville to Hemet (California) | 2,439.31 mi (3,925.70 km) |
| Holtsville to Henderson (Kentucky) | 802.49 mi (1,291.48 km) |
| Holtsville to Henderson (Nevada) | 2,275.55 mi (3,662.14 km) |
| Holtsville to Henderson (North Carolina) | 424.41 mi (683.02 km) |
| Holtsville to Henderson (Texas) | 1,343.15 mi (2,161.59 km) |
| Holtsville to Hendersonville (North Carolina) | 636.50 mi (1,024.34 km) |
| Holtsville to Hendersonville (Tennessee) | 794.67 mi (1,278.90 km) |
| Holtsville to Hercules (California) | 2,599.63 mi (4,183.70 km) |
