| Delaware to Hazleton (Pennsylvania) | 375.17 mi (603.78 km) |
| Delaware to Healdsburg (California) | 2,108.05 mi (3,392.58 km) |
| Delaware to Heath (Ohio) | 37.97 mi (61.11 km) |
| Delaware to Heber (Utah) | 1,484.06 mi (2,388.37 km) |
| Delaware to Helena (Alabama) | 527.44 mi (848.83 km) |
| Delaware to Helena (Montana) | 1,506.54 mi (2,424.54 km) |
| Delaware to Hemet (California) | 1,913.06 mi (3,078.77 km) |
| Delaware to Henderson (Kentucky) | 294.85 mi (474.52 km) |
| Delaware to Henderson (Nevada) | 1,751.91 mi (2,819.43 km) |
| Delaware to Henderson (North Carolina) | 372.24 mi (599.07 km) |
| Delaware to Henderson (Texas) | 860.15 mi (1,384.28 km) |
| Delaware to Hendersonville (North Carolina) | 344.38 mi (554.22 km) |
| Delaware to Hendersonville (Tennessee) | 334.78 mi (538.78 km) |
| Delaware to Hercules (California) | 2,088.37 mi (3,360.90 km) |
| Delaware to Hereford (Texas) | 1,121.05 mi (1,804.16 km) |
