| Piqua to St. George (Utah) | 1,590.39 mi (2,559.48 km) |
| Piqua to St. Helens (Oregon) | 1,968.46 mi (3,167.94 km) |
| Piqua to St. James (New York) | 584.40 mi (940.51 km) |
| Piqua to St. John (Indiana) | 190.87 mi (307.17 km) |
| Piqua to St. Joseph (Missouri) | 560.51 mi (902.05 km) |
| Piqua to St. Louis (Missouri) | 337.00 mi (542.35 km) |
| Piqua to St. Louis Park (Minnesota) | 569.90 mi (917.16 km) |
| Piqua to St. Marys (Georgia) | 666.15 mi (1,072.07 km) |
| Piqua to St. Marys (Pennsylvania) | 311.91 mi (501.97 km) |
| Piqua to St. Matthews (Kentucky) | 151.07 mi (243.12 km) |
| Piqua to St. Michael (Minnesota) | 592.74 mi (953.93 km) |
| Piqua to St. Paul (Minnesota) | 559.14 mi (899.84 km) |
| Piqua to St. Peter (Minnesota) | 574.47 mi (924.51 km) |
| Piqua to St. Peters (Missouri) | 352.18 mi (566.77 km) |
| Piqua to St. Petersburg (Florida) | 858.56 mi (1,381.71 km) |
