| Eau Claire to Sierpc | 4,556.61 mi (7,333.16 km) |
| Eau Claire to Skarzysko-Kamienna | 4,679.85 mi (7,531.50 km) |
| Eau Claire to Skawina | 4,701.16 mi (7,565.79 km) |
| Eau Claire to Skierniewice | 4,615.18 mi (7,427.42 km) |
| Eau Claire to Skoczow | 4,676.68 mi (7,526.39 km) |
| Eau Claire to Skwierzyna | 4,441.02 mi (7,147.14 km) |
| Eau Claire to Slawno | 4,397.38 mi (7,076.90 km) |
| Eau Claire to Slubice | 4,422.65 mi (7,117.58 km) |
| Eau Claire to Slupca | 4,529.02 mi (7,288.76 km) |
| Eau Claire to Slupsk | 4,403.17 mi (7,086.22 km) |
| Eau Claire to Sochaczew | 4,604.89 mi (7,410.85 km) |
| Eau Claire to Sokolka | 4,644.47 mi (7,474.55 km) |
| Eau Claire to Sokolow Podlaski | 4,657.31 mi (7,495.21 km) |
| Eau Claire to Solec Kujawski | 4,503.64 mi (7,247.91 km) |
| Eau Claire to Sopot | 4,449.87 mi (7,161.38 km) |
