| Frederick to Sierpc | 4,374.80 mi (7,040.56 km) |
| Frederick to Skarzysko-Kamienna | 4,484.16 mi (7,216.57 km) |
| Frederick to Skawina | 4,485.87 mi (7,219.30 km) |
| Frederick to Skierniewice | 4,425.08 mi (7,121.48 km) |
| Frederick to Skoczow | 4,453.08 mi (7,166.54 km) |
| Frederick to Skwierzyna | 4,233.04 mi (6,812.42 km) |
| Frederick to Slawno | 4,217.87 mi (6,788.01 km) |
| Frederick to Slubice | 4,206.56 mi (6,769.81 km) |
| Frederick to Slupca | 4,330.13 mi (6,968.67 km) |
| Frederick to Slupsk | 4,226.87 mi (6,802.49 km) |
| Frederick to Sochaczew | 4,418.45 mi (7,110.80 km) |
| Frederick to Sokolka | 4,490.50 mi (7,226.76 km) |
| Frederick to Sokolow Podlaski | 4,484.41 mi (7,216.96 km) |
| Frederick to Solec Kujawski | 4,316.39 mi (6,946.56 km) |
| Frederick to Sopot | 4,281.41 mi (6,890.26 km) |
