| Piqua to Colton (California) | 1,859.57 mi (2,992.69 km) |
| Piqua to Columbia (Illinois) | 339.92 mi (547.04 km) |
| Piqua to Columbia (Maryland) | 398.06 mi (640.62 km) |
| Piqua to Columbia (Missouri) | 438.41 mi (705.55 km) |
| Piqua to Columbia (Pennsylvania) | 409.57 mi (659.14 km) |
| Piqua to Columbia (South Carolina) | 460.64 mi (741.32 km) |
| Piqua to Columbia (Tennessee) | 348.10 mi (560.21 km) |
| Piqua to Columbia Heights (Minnesota) | 568.80 mi (915.40 km) |
| Piqua to Columbine (Colorado) | 1,102.52 mi (1,774.33 km) |
| Piqua to Columbus (Georgia) | 529.08 mi (851.48 km) |
| Piqua to Columbus (Indiana) | 110.25 mi (177.43 km) |
| Piqua to Columbus (Mississippi) | 513.32 mi (826.10 km) |
| Piqua to Columbus (Nebraska) | 690.94 mi (1,111.96 km) |
| Piqua to Columbus (Ohio) | 67.51 mi (108.65 km) |
| Piqua to Commack (New York) | 577.50 mi (929.40 km) |
