| Piqua to Hickory Hills (Illinois) | 216.36 mi (348.19 km) |
| Piqua to Hicksville (New York) | 564.79 mi (908.94 km) |
| Piqua to Hidalgo (Texas) | 1,260.62 mi (2,028.77 km) |
| Piqua to High Point (North Carolina) | 368.75 mi (593.44 km) |
| Piqua to Highland (California) | 1,849.57 mi (2,976.59 km) |
| Piqua to Highland (Illinois) | 305.49 mi (491.64 km) |
| Piqua to Highland (Indiana) | 193.77 mi (311.84 km) |
| Piqua to Highland (Utah) | 1,446.27 mi (2,327.55 km) |
| Piqua to Highland City (Florida) | 852.79 mi (1,372.43 km) |
| Piqua to Highland Park (Illinois) | 232.59 mi (374.32 km) |
| Piqua to Highland Park (New Jersey) | 517.35 mi (832.59 km) |
| Piqua to Highland Springs (Virginia) | 413.02 mi (664.68 km) |
| Piqua to Highland Village (Texas) | 860.68 mi (1,385.13 km) |
| Piqua to Highlands Ranch (Colorado) | 1,097.81 mi (1,766.76 km) |
| Piqua to Hillcrest (California) | 1,912.06 mi (3,077.16 km) |
