| Fern Down to Sierpc | 928.00 mi (1,493.47 km) |
| Fern Down to Skarzysko-Kamienna | 989.14 mi (1,591.86 km) |
| Fern Down to Skawina | 955.48 mi (1,537.70 km) |
| Fern Down to Skierniewice | 950.40 mi (1,529.52 km) |
| Fern Down to Skoczow | 912.62 mi (1,468.73 km) |
| Fern Down to Skwierzyna | 753.31 mi (1,212.33 km) |
| Fern Down to Slawno | 814.63 mi (1,311.03 km) |
| Fern Down to Slubice | 713.37 mi (1,148.07 km) |
| Fern Down to Slupca | 852.68 mi (1,372.25 km) |
| Fern Down to Slupsk | 829.94 mi (1,335.67 km) |
| Fern Down to Sochaczew | 952.84 mi (1,533.45 km) |
| Fern Down to Sokolka | 1,086.69 mi (1,748.86 km) |
| Fern Down to Sokolow Podlaski | 1,037.24 mi (1,669.27 km) |
| Fern Down to Solec Kujawski | 868.69 mi (1,398.03 km) |
| Fern Down to Sopot | 890.77 mi (1,433.56 km) |
