| Etterbeek to Skarzysko-Kamienna | 718.04 mi (1,155.58 km) |
| Etterbeek to Skawina | 681.60 mi (1,096.93 km) |
| Etterbeek to Skierniewice | 682.77 mi (1,098.81 km) |
| Etterbeek to Skoczow | 638.49 mi (1,027.55 km) |
| Etterbeek to Skwierzyna | 490.72 mi (789.75 km) |
| Etterbeek to Slawno | 569.46 mi (916.46 km) |
| Etterbeek to Slubice | 449.09 mi (722.75 km) |
| Etterbeek to Slupca | 587.00 mi (944.68 km) |
| Etterbeek to Slupsk | 585.40 mi (942.11 km) |
| Etterbeek to Sochaczew | 686.65 mi (1,105.06 km) |
| Etterbeek to Sokolka | 827.54 mi (1,331.79 km) |
| Etterbeek to Sokolow Podlaski | 772.08 mi (1,242.54 km) |
| Etterbeek to Solec Kujawski | 608.77 mi (979.72 km) |
| Etterbeek to Sopot | 643.58 mi (1,035.73 km) |
| Etterbeek to Sosnowiec | 647.48 mi (1,042.01 km) |
