| Piqua to Security-Widefield (Colorado) | 1,093.98 mi (1,760.60 km) |
| Piqua to Sedalia (Missouri) | 489.82 mi (788.30 km) |
| Piqua to Sedro-Woolley (Washington) | 1,941.80 mi (3,125.02 km) |
| Piqua to Seguin (Texas) | 1,064.21 mi (1,712.68 km) |
| Piqua to Selden (New York) | 589.91 mi (949.36 km) |
| Piqua to Selma (Alabama) | 556.41 mi (895.45 km) |
| Piqua to Selma (California) | 1,919.37 mi (3,088.93 km) |
| Piqua to Selma (Texas) | 1,078.60 mi (1,735.83 km) |
| Piqua to Seminole (Florida) | 854.40 mi (1,375.03 km) |
| Piqua to Seven Hills (Ohio) | 159.09 mi (256.03 km) |
| Piqua to Seven Oaks (South Carolina) | 454.90 mi (732.09 km) |
| Piqua to Severn (Maryland) | 407.56 mi (655.90 km) |
| Piqua to Severna Park (Maryland) | 414.92 mi (667.76 km) |
| Piqua to Sevierville (Tennessee) | 296.86 mi (477.75 km) |
| Piqua to Seymour (Indiana) | 120.86 mi (194.51 km) |
