| Piraeus to Skarzysko-Kamienna | 919.92 mi (1,480.48 km) |
| Piraeus to Skawina | 852.95 mi (1,372.69 km) |
| Piraeus to Skierniewice | 983.61 mi (1,582.97 km) |
| Piraeus to Skoczow | 853.80 mi (1,374.06 km) |
| Piraeus to Skwierzyna | 1,085.76 mi (1,747.36 km) |
| Piraeus to Slawno | 1,180.85 mi (1,900.40 km) |
| Piraeus to Slubice | 1,087.33 mi (1,749.89 km) |
| Piraeus to Slupca | 1,030.39 mi (1,658.26 km) |
| Piraeus to Slupsk | 1,183.38 mi (1,904.47 km) |
| Piraeus to Sochaczew | 1,001.02 mi (1,610.98 km) |
| Piraeus to Sokolka | 1,068.00 mi (1,718.78 km) |
| Piraeus to Sokolow Podlaski | 1,001.15 mi (1,611.19 km) |
| Piraeus to Solec Kujawski | 1,077.65 mi (1,734.32 km) |
| Piraeus to Sopot | 1,165.36 mi (1,875.46 km) |
| Piraeus to Sosnowiec | 881.11 mi (1,418.01 km) |
