| Piqua to Owosso (Michigan) | 196.60 mi (316.39 km) |
| Piqua to Oxford (Alabama) | 461.62 mi (742.91 km) |
| Piqua to Oxford (Mississippi) | 494.29 mi (795.48 km) |
| Piqua to Oxford (Ohio) | 51.85 mi (83.44 km) |
| Piqua to Oxnard (California) | 1,953.75 mi (3,144.26 km) |
| Piqua to Oxon Hill (Maryland) | 398.97 mi (642.07 km) |
| Piqua to Ozark (Alabama) | 606.19 mi (975.58 km) |
| Piqua to Ozark (Missouri) | 529.79 mi (852.61 km) |
| Piqua to Pace (Florida) | 678.73 mi (1,092.31 km) |
| Piqua to Pacific Grove (California) | 2,040.00 mi (3,283.06 km) |
| Piqua to Pacifica (California) | 2,048.07 mi (3,296.04 km) |
| Piqua to Paducah (Kentucky) | 318.83 mi (513.10 km) |
| Piqua to Pahrump (Nevada) | 1,736.21 mi (2,794.16 km) |
| Piqua to Painesville (Ohio) | 190.20 mi (306.09 km) |
| Piqua to Palatine (Illinois) | 239.88 mi (386.04 km) |
