| Preakness to Hazelwood (Missouri) | 868.72 mi (1,398.06 km) |
| Preakness to Hazleton (Pennsylvania) | 91.25 mi (146.84 km) |
| Preakness to Healdsburg (California) | 2,554.20 mi (4,110.60 km) |
| Preakness to Heath (Ohio) | 436.26 mi (702.10 km) |
| Preakness to Heber (Utah) | 1,931.97 mi (3,109.20 km) |
| Preakness to Helena (Alabama) | 873.63 mi (1,405.96 km) |
| Preakness to Helena (Montana) | 1,906.79 mi (3,068.68 km) |
| Preakness to Hemet (California) | 2,377.38 mi (3,826.02 km) |
| Preakness to Henderson (Kentucky) | 743.74 mi (1,196.94 km) |
| Preakness to Henderson (Nevada) | 2,213.40 mi (3,562.12 km) |
| Preakness to Henderson (North Carolina) | 390.70 mi (628.77 km) |
| Preakness to Henderson (Texas) | 1,288.47 mi (2,073.60 km) |
| Preakness to Hendersonville (North Carolina) | 591.67 mi (952.20 km) |
| Preakness to Hendersonville (Tennessee) | 739.81 mi (1,190.61 km) |
| Preakness to Hercules (California) | 2,537.54 mi (4,083.78 km) |
