| Southport to Sierpc | 934.43 mi (1,503.83 km) |
| Southport to Skarzysko-Kamienna | 1,018.89 mi (1,639.74 km) |
| Southport to Skawina | 1,003.01 mi (1,614.18 km) |
| Southport to Skierniewice | 969.69 mi (1,560.57 km) |
| Southport to Skoczow | 965.56 mi (1,553.93 km) |
| Southport to Skwierzyna | 768.48 mi (1,236.74 km) |
| Southport to Slawno | 798.10 mi (1,284.42 km) |
| Southport to Slubice | 734.25 mi (1,181.67 km) |
| Southport to Slupca | 870.21 mi (1,400.47 km) |
| Southport to Slupsk | 811.74 mi (1,306.36 km) |
| Southport to Sochaczew | 968.17 mi (1,558.12 km) |
| Southport to Sokolka | 1,082.53 mi (1,742.16 km) |
| Southport to Sokolow Podlaski | 1,047.54 mi (1,685.86 km) |
| Southport to Solec Kujawski | 873.25 mi (1,405.35 km) |
| Southport to Sopot | 873.37 mi (1,405.55 km) |
