| Piqua to Pittsburg (Kansas) | 593.56 mi (955.25 km) |
| Piqua to Pittsburgh (Pennsylvania) | 225.77 mi (363.34 km) |
| Piqua to Pittsfield (Massachusetts) | 591.38 mi (951.74 km) |
| Piqua to Placentia (California) | 1,892.19 mi (3,045.19 km) |
| Piqua to Placerville (California) | 1,939.17 mi (3,120.80 km) |
| Piqua to Plainfield (Illinois) | 231.41 mi (372.42 km) |
| Piqua to Plainfield (Indiana) | 117.03 mi (188.35 km) |
| Piqua to Plainfield (New Jersey) | 518.00 mi (833.64 km) |
| Piqua to Plainview (New York) | 567.50 mi (913.30 km) |
| Piqua to Plainview (Texas) | 1,044.39 mi (1,680.78 km) |
| Piqua to Plano (Illinois) | 247.28 mi (397.96 km) |
| Piqua to Plano (Texas) | 848.21 mi (1,365.06 km) |
| Piqua to Plant City (Florida) | 847.24 mi (1,363.51 km) |
| Piqua to Plantation (Florida) | 995.72 mi (1,602.46 km) |
| Piqua to Platteville (Wisconsin) | 368.16 mi (592.49 km) |
