| Portes-les-Valence to Skarzysko-Kamienna | 855.33 mi (1,376.52 km) |
| Portes-les-Valence to Skawina | 781.31 mi (1,257.40 km) |
| Portes-les-Valence to Skierniewice | 852.10 mi (1,371.33 km) |
| Portes-les-Valence to Skoczow | 733.43 mi (1,180.34 km) |
| Portes-les-Valence to Skwierzyna | 719.20 mi (1,157.44 km) |
| Portes-les-Valence to Slawno | 839.41 mi (1,350.89 km) |
| Portes-les-Valence to Slubice | 679.12 mi (1,092.94 km) |
| Portes-les-Valence to Slupca | 782.66 mi (1,259.57 km) |
| Portes-les-Valence to Slupsk | 854.63 mi (1,375.39 km) |
| Portes-les-Valence to Sochaczew | 864.25 mi (1,390.88 km) |
| Portes-les-Valence to Sokolka | 1,022.60 mi (1,645.72 km) |
| Portes-les-Valence to Sokolow Podlaski | 944.77 mi (1,520.45 km) |
| Portes-les-Valence to Solec Kujawski | 827.41 mi (1,331.59 km) |
| Portes-les-Valence to Sopot | 898.43 mi (1,445.88 km) |
| Portes-les-Valence to Sosnowiec | 760.61 mi (1,224.09 km) |
