| Porvoo to Skarzysko-Kamienna | 666.64 mi (1,072.86 km) |
| Porvoo to Skawina | 754.49 mi (1,214.23 km) |
| Porvoo to Skierniewice | 619.18 mi (996.47 km) |
| Porvoo to Skoczow | 779.80 mi (1,254.96 km) |
| Porvoo to Skwierzyna | 661.96 mi (1,065.32 km) |
| Porvoo to Slawno | 533.87 mi (859.19 km) |
| Porvoo to Slubice | 697.52 mi (1,122.55 km) |
| Porvoo to Slupca | 632.98 mi (1,018.68 km) |
| Porvoo to Slupsk | 519.65 mi (836.29 km) |
| Porvoo to Sochaczew | 600.56 mi (966.51 km) |
| Porvoo to Sokolka | 490.05 mi (788.65 km) |
| Porvoo to Sokolow Podlaski | 567.38 mi (913.11 km) |
| Porvoo to Solec Kujawski | 577.52 mi (929.42 km) |
| Porvoo to Sopot | 487.67 mi (784.82 km) |
| Porvoo to Sosnowiec | 743.38 mi (1,196.36 km) |
