| Piqua to Sierpc | 4,575.12 mi (7,362.95 km) |
| Piqua to Skarzysko-Kamienna | 4,690.50 mi (7,548.63 km) |
| Piqua to Skawina | 4,699.75 mi (7,563.51 km) |
| Piqua to Skierniewice | 4,628.92 mi (7,449.52 km) |
| Piqua to Skoczow | 4,669.95 mi (7,515.56 km) |
| Piqua to Skwierzyna | 4,442.68 mi (7,149.80 km) |
| Piqua to Slawno | 4,416.36 mi (7,107.45 km) |
| Piqua to Slubice | 4,419.16 mi (7,111.95 km) |
| Piqua to Slupca | 4,536.83 mi (7,301.32 km) |
| Piqua to Slupsk | 4,424.16 mi (7,120.00 km) |
| Piqua to Sochaczew | 4,620.82 mi (7,436.50 km) |
| Piqua to Sokolka | 4,680.57 mi (7,532.65 km) |
| Piqua to Sokolow Podlaski | 4,681.88 mi (7,534.76 km) |
| Piqua to Solec Kujawski | 4,518.49 mi (7,271.80 km) |
| Piqua to Sopot | 4,475.95 mi (7,203.35 km) |
