| Piqua to Portage (Michigan) | 157.96 mi (254.22 km) |
| Piqua to Portage (Wisconsin) | 356.74 mi (574.11 km) |
| Piqua to Portales (New Mexico) | 1,127.57 mi (1,814.64 km) |
| Piqua to Porterville (California) | 1,900.03 mi (3,057.81 km) |
| Piqua to Portland (Maine) | 757.49 mi (1,219.06 km) |
| Piqua to Portland (Oregon) | 1,961.47 mi (3,156.69 km) |
| Piqua to Portland (Tennessee) | 275.11 mi (442.75 km) |
| Piqua to Portland (Texas) | 1,128.12 mi (1,815.53 km) |
| Piqua to Portsmouth (New Hampshire) | 722.99 mi (1,163.54 km) |
| Piqua to Portsmouth (Ohio) | 118.83 mi (191.24 km) |
| Piqua to Portsmouth (Virginia) | 483.61 mi (778.30 km) |
| Piqua to Post Falls (Idaho) | 1,694.19 mi (2,726.53 km) |
| Piqua to Potomac (Maryland) | 383.42 mi (617.05 km) |
| Piqua to Potomac Park (California) | 1,912.81 mi (3,078.37 km) |
| Piqua to Pottstown (Pennsylvania) | 453.70 mi (730.16 km) |
