| Piqua to Ukiah (California) | 2,057.42 mi (3,311.10 km) |
| Piqua to Union (Missouri) | 379.60 mi (610.91 km) |
| Piqua to Union City (California) | 2,024.14 mi (3,257.53 km) |
| Piqua to Union City (Georgia) | 453.34 mi (729.59 km) |
| Piqua to Union City (New Jersey) | 538.23 mi (866.19 km) |
| Piqua to Union City (Tennessee) | 366.02 mi (589.06 km) |
| Piqua to Union Hill-Novelty Hill (Washington) | 1,930.16 mi (3,106.30 km) |
| Piqua to Union Park (Florida) | 818.48 mi (1,317.21 km) |
| Piqua to Uniondale (New York) | 561.08 mi (902.97 km) |
| Piqua to Universal City (Texas) | 1,080.08 mi (1,738.22 km) |
| Piqua to University (Florida) | 840.55 mi (1,352.73 km) |
| Piqua to University City (Missouri) | 340.70 mi (548.30 km) |
| Piqua to University Heights (Ohio) | 169.37 mi (272.57 km) |
| Piqua to University of California-Santa Barbara (California) | 1,983.68 mi (3,192.43 km) |
| Piqua to University Park (Texas) | 858.95 mi (1,382.35 km) |
