| Piqua to Havelock (North Carolina) | 541.13 mi (870.86 km) |
| Piqua to Haverhill (Massachusetts) | 704.24 mi (1,133.36 km) |
| Piqua to Havre de Grace (Maryland) | 433.08 mi (696.98 km) |
| Piqua to Hawaiian Gardens (California) | 1,905.03 mi (3,065.86 km) |
| Piqua to Hawaiian Paradise Park (Hawaii) | 4,353.58 mi (7,006.41 km) |
| Piqua to Hawthorne (California) | 1,917.25 mi (3,085.52 km) |
| Piqua to Hawthorne (New Jersey) | 532.10 mi (856.34 km) |
| Piqua to Hayden (Idaho) | 1,688.31 mi (2,717.08 km) |
| Piqua to Hayesville (Oregon) | 1,979.56 mi (3,185.80 km) |
| Piqua to Hays (Kansas) | 807.46 mi (1,299.48 km) |
| Piqua to Haysville (Kansas) | 726.80 mi (1,169.68 km) |
| Piqua to Hayward (California) | 2,026.61 mi (3,261.51 km) |
| Piqua to Hazel Crest (Illinois) | 205.12 mi (330.10 km) |
| Piqua to Hazel Dell (Washington) | 1,961.25 mi (3,156.33 km) |
| Piqua to Hazel Park (Michigan) | 170.42 mi (274.26 km) |
