| Sinnai to Skarzysko-Kamienna | 993.06 mi (1,598.18 km) |
| Sinnai to Skawina | 902.32 mi (1,452.14 km) |
| Sinnai to Skierniewice | 1,019.89 mi (1,641.35 km) |
| Sinnai to Skoczow | 863.81 mi (1,390.16 km) |
| Sinnai to Skwierzyna | 966.36 mi (1,555.20 km) |
| Sinnai to Slawno | 1,097.08 mi (1,765.59 km) |
| Sinnai to Slubice | 937.09 mi (1,508.10 km) |
| Sinnai to Slupca | 988.59 mi (1,590.99 km) |
| Sinnai to Slupsk | 1,109.30 mi (1,785.25 km) |
| Sinnai to Sochaczew | 1,037.00 mi (1,668.89 km) |
| Sinnai to Sokolka | 1,184.17 mi (1,905.74 km) |
| Sinnai to Sokolow Podlaski | 1,097.76 mi (1,766.67 km) |
| Sinnai to Solec Kujawski | 1,043.59 mi (1,679.50 km) |
| Sinnai to Sopot | 1,133.86 mi (1,824.77 km) |
| Sinnai to Sosnowiec | 899.73 mi (1,447.98 km) |
