| Longford to Skarzysko-Kamienna | 1,214.81 mi (1,955.06 km) |
| Longford to Skawina | 1,199.14 mi (1,929.83 km) |
| Longford to Skierniewice | 1,164.99 mi (1,874.88 km) |
| Longford to Skoczow | 1,161.46 mi (1,869.19 km) |
| Longford to Skwierzyna | 963.94 mi (1,551.31 km) |
| Longford to Slawno | 988.91 mi (1,591.50 km) |
| Longford to Slubice | 930.16 mi (1,496.94 km) |
| Longford to Slupca | 1,065.59 mi (1,714.90 km) |
| Longford to Slupsk | 1,002.08 mi (1,612.70 km) |
| Longford to Sochaczew | 1,163.11 mi (1,871.84 km) |
| Longford to Sokolka | 1,274.21 mi (2,050.64 km) |
| Longford to Sokolow Podlaski | 1,241.68 mi (1,998.29 km) |
| Longford to Solec Kujawski | 1,067.22 mi (1,717.52 km) |
| Longford to Sopot | 1,063.43 mi (1,711.42 km) |
| Longford to Sosnowiec | 1,162.55 mi (1,870.94 km) |
