| Sligo to Skarzysko-Kamienna | 1,240.87 mi (1,996.99 km) |
| Sligo to Skawina | 1,228.02 mi (1,976.31 km) |
| Sligo to Skierniewice | 1,189.59 mi (1,914.46 km) |
| Sligo to Skoczow | 1,191.28 mi (1,917.18 km) |
| Sligo to Skwierzyna | 989.05 mi (1,591.73 km) |
| Sligo to Slawno | 1,008.66 mi (1,623.29 km) |
| Sligo to Slubice | 956.38 mi (1,539.14 km) |
| Sligo to Slupca | 1,090.42 mi (1,754.87 km) |
| Sligo to Slupsk | 1,021.43 mi (1,643.84 km) |
| Sligo to Sochaczew | 1,187.06 mi (1,910.39 km) |
| Sligo to Sokolka | 1,294.28 mi (2,082.94 km) |
| Sligo to Sokolow Podlaski | 1,264.42 mi (2,034.89 km) |
| Sligo to Solec Kujawski | 1,089.94 mi (1,754.10 km) |
| Sligo to Sopot | 1,082.43 mi (1,742.00 km) |
| Sligo to Sosnowiec | 1,191.22 mi (1,917.09 km) |
