| Greenford to Sierpc | 849.83 mi (1,367.67 km) |
| Greenford to Skarzysko-Kamienna | 915.41 mi (1,473.21 km) |
| Greenford to Skawina | 885.73 mi (1,425.44 km) |
| Greenford to Skierniewice | 874.49 mi (1,407.35 km) |
| Greenford to Skoczow | 844.09 mi (1,358.43 km) |
| Greenford to Skwierzyna | 675.86 mi (1,087.69 km) |
| Greenford to Slawno | 733.20 mi (1,179.97 km) |
| Greenford to Slubice | 636.71 mi (1,024.68 km) |
| Greenford to Slupca | 776.08 mi (1,248.99 km) |
| Greenford to Slupsk | 748.39 mi (1,204.41 km) |
| Greenford to Sochaczew | 876.22 mi (1,410.14 km) |
| Greenford to Sokolka | 1,007.38 mi (1,621.22 km) |
| Greenford to Sokolow Podlaski | 960.00 mi (1,544.98 km) |
| Greenford to Solec Kujawski | 790.04 mi (1,271.45 km) |
| Greenford to Sopot | 809.44 mi (1,302.67 km) |
