| Piqua to Hazelwood (Missouri) | 340.86 mi (548.56 km) |
| Piqua to Hazleton (Pennsylvania) | 437.59 mi (704.23 km) |
| Piqua to Healdsburg (California) | 2,048.82 mi (3,297.26 km) |
| Piqua to Heath (Ohio) | 95.70 mi (154.01 km) |
| Piqua to Heber (Utah) | 1,424.84 mi (2,293.05 km) |
| Piqua to Helena (Alabama) | 496.32 mi (798.76 km) |
| Piqua to Helena (Montana) | 1,455.58 mi (2,342.54 km) |
| Piqua to Hemet (California) | 1,850.92 mi (2,978.77 km) |
| Piqua to Henderson (Kentucky) | 239.92 mi (386.12 km) |
| Piqua to Henderson (Nevada) | 1,690.25 mi (2,720.20 km) |
| Piqua to Henderson (North Carolina) | 412.03 mi (663.11 km) |
| Piqua to Henderson (Texas) | 806.05 mi (1,297.22 km) |
| Piqua to Hendersonville (North Carolina) | 347.41 mi (559.10 km) |
| Piqua to Hendersonville (Tennessee) | 294.75 mi (474.36 km) |
| Piqua to Hercules (California) | 2,028.66 mi (3,264.81 km) |
