| Estoril to Sierpc | 1,690.20 mi (2,720.11 km) |
| Estoril to Skarzysko-Kamienna | 1,695.84 mi (2,729.18 km) |
| Estoril to Skawina | 1,626.43 mi (2,617.49 km) |
| Estoril to Skierniewice | 1,684.81 mi (2,711.44 km) |
| Estoril to Skoczow | 1,578.29 mi (2,540.01 km) |
| Estoril to Skwierzyna | 1,525.37 mi (2,454.84 km) |
| Estoril to Slawno | 1,627.95 mi (2,619.94 km) |
| Estoril to Slubice | 1,482.68 mi (2,386.14 km) |
| Estoril to Slupca | 1,604.76 mi (2,582.60 km) |
| Estoril to Slupsk | 1,643.99 mi (2,645.75 km) |
| Estoril to Sochaczew | 1,694.83 mi (2,727.57 km) |
| Estoril to Sokolka | 1,850.95 mi (2,978.81 km) |
| Estoril to Sokolow Podlaski | 1,778.63 mi (2,862.42 km) |
| Estoril to Solec Kujawski | 1,641.93 mi (2,642.44 km) |
| Estoril to Sopot | 1,697.23 mi (2,731.42 km) |
