| Portici to Skarzysko-Kamienna | 777.62 mi (1,251.46 km) |
| Portici to Skawina | 686.45 mi (1,104.74 km) |
| Portici to Skierniewice | 817.76 mi (1,316.06 km) |
| Portici to Skoczow | 656.77 mi (1,056.96 km) |
| Portici to Skwierzyna | 815.76 mi (1,312.84 km) |
| Portici to Slawno | 941.59 mi (1,515.35 km) |
| Portici to Slubice | 796.74 mi (1,282.23 km) |
| Portici to Slupca | 810.45 mi (1,304.29 km) |
| Portici to Slupsk | 950.94 mi (1,530.39 km) |
| Portici to Sochaczew | 836.17 mi (1,345.69 km) |
| Portici to Sokolka | 968.23 mi (1,558.22 km) |
| Portici to Sokolow Podlaski | 882.55 mi (1,420.33 km) |
| Portici to Solec Kujawski | 866.66 mi (1,394.75 km) |
| Portici to Sopot | 961.65 mi (1,547.62 km) |
| Portici to Sosnowiec | 693.39 mi (1,115.90 km) |
