| Siran to Sierpc | 1,266.94 mi (2,038.95 km) |
| Siran to Skarzysko-Kamienna | 1,153.45 mi (1,856.30 km) |
| Siran to Skawina | 1,153.63 mi (1,856.58 km) |
| Siran to Skierniewice | 1,213.72 mi (1,953.29 km) |
| Siran to Skoczow | 1,189.14 mi (1,913.73 km) |
| Siran to Skwierzyna | 1,404.30 mi (2,260.00 km) |
| Siran to Slawno | 1,425.82 mi (2,294.64 km) |
| Siran to Slubice | 1,431.36 mi (2,303.54 km) |
| Siran to Slupca | 1,307.49 mi (2,104.21 km) |
| Siran to Slupsk | 1,418.30 mi (2,282.54 km) |
| Siran to Sochaczew | 1,221.39 mi (1,965.64 km) |
| Siran to Sokolka | 1,169.20 mi (1,881.65 km) |
| Siran to Sokolow Podlaski | 1,161.00 mi (1,868.45 km) |
| Siran to Solec Kujawski | 1,323.73 mi (2,130.34 km) |
| Siran to Sopot | 1,367.88 mi (2,201.39 km) |
