| Croydon to Sierpc | 842.59 mi (1,356.02 km) |
| Croydon to Skarzysko-Kamienna | 906.50 mi (1,458.86 km) |
| Croydon to Skawina | 875.68 mi (1,409.28 km) |
| Croydon to Skierniewice | 866.32 mi (1,394.20 km) |
| Croydon to Skoczow | 833.74 mi (1,341.78 km) |
| Croydon to Skwierzyna | 668.27 mi (1,075.47 km) |
| Croydon to Slawno | 727.87 mi (1,171.39 km) |
| Croydon to Slubice | 628.78 mi (1,011.92 km) |
| Croydon to Slupca | 768.16 mi (1,236.23 km) |
| Croydon to Slupsk | 743.15 mi (1,195.99 km) |
| Croydon to Sochaczew | 868.32 mi (1,397.43 km) |
| Croydon to Sokolka | 1,000.72 mi (1,610.51 km) |
| Croydon to Sokolow Podlaski | 952.37 mi (1,532.69 km) |
| Croydon to Solec Kujawski | 783.02 mi (1,260.16 km) |
| Croydon to Sopot | 804.03 mi (1,293.96 km) |
