| Piqua to Tacoma (Washington) | 1,949.49 mi (3,137.41 km) |
| Piqua to Tahlequah (Oklahoma) | 652.82 mi (1,050.61 km) |
| Piqua to Takoma Park (Maryland) | 393.95 mi (634.00 km) |
| Piqua to Talladega (Alabama) | 475.29 mi (764.91 km) |
| Piqua to Tallahassee (Florida) | 669.89 mi (1,078.09 km) |
| Piqua to Tallmadge (Ohio) | 161.95 mi (260.63 km) |
| Piqua to Tamalpais-Homestead Valley (California) | 2,045.87 mi (3,292.51 km) |
| Piqua to Tamarac (Florida) | 990.45 mi (1,593.97 km) |
| Piqua to Tamiami (Florida) | 1,018.95 mi (1,639.84 km) |
| Piqua to Tampa (Florida) | 846.14 mi (1,361.73 km) |
| Piqua to Tanaina (Alaska) | 3,037.41 mi (4,888.24 km) |
| Piqua to Tanque Verde (Arizona) | 1,567.26 mi (2,522.26 km) |
| Piqua to Tarboro (North Carolina) | 467.25 mi (751.97 km) |
| Piqua to Tarpon Springs (Florida) | 833.49 mi (1,341.37 km) |
| Piqua to Tarrytown (New York) | 547.64 mi (881.33 km) |
