| Horndean to Sierpc | 888.21 mi (1,429.44 km) |
| Horndean to Skarzysko-Kamienna | 949.07 mi (1,527.39 km) |
| Horndean to Skawina | 915.62 mi (1,473.54 km) |
| Horndean to Skierniewice | 910.39 mi (1,465.13 km) |
| Horndean to Skoczow | 872.87 mi (1,404.75 km) |
| Horndean to Skwierzyna | 713.44 mi (1,148.17 km) |
| Horndean to Slawno | 775.83 mi (1,248.58 km) |
| Horndean to Slubice | 673.43 mi (1,083.78 km) |
| Horndean to Slupca | 812.71 mi (1,307.94 km) |
| Horndean to Slupsk | 791.20 mi (1,273.32 km) |
| Horndean to Sochaczew | 912.87 mi (1,469.13 km) |
| Horndean to Sokolka | 1,047.11 mi (1,685.16 km) |
| Horndean to Sokolow Podlaski | 997.32 mi (1,605.04 km) |
| Horndean to Solec Kujawski | 829.00 mi (1,334.14 km) |
| Horndean to Sopot | 851.90 mi (1,370.99 km) |
