| River Forest to Sierpc | 4,600.03 mi (7,403.03 km) |
| River Forest to Skarzysko-Kamienna | 4,719.20 mi (7,594.82 km) |
| River Forest to Skawina | 4,733.88 mi (7,618.44 km) |
| River Forest to Skierniewice | 4,656.09 mi (7,493.26 km) |
| River Forest to Skoczow | 4,706.39 mi (7,574.21 km) |
| River Forest to Skwierzyna | 4,474.85 mi (7,201.57 km) |
| River Forest to Slawno | 4,440.69 mi (7,146.60 km) |
| River Forest to Slubice | 4,453.58 mi (7,167.35 km) |
| River Forest to Slupca | 4,566.46 mi (7,349.01 km) |
| River Forest to Slupsk | 4,447.60 mi (7,157.72 km) |
| River Forest to Sochaczew | 4,646.99 mi (7,478.61 km) |
| River Forest to Sokolka | 4,697.77 mi (7,560.34 km) |
| River Forest to Sokolow Podlaski | 4,704.30 mi (7,570.83 km) |
| River Forest to Solec Kujawski | 4,544.91 mi (7,314.33 km) |
| River Forest to Sopot | 4,497.22 mi (7,237.58 km) |
