| Harelbeke to Skarzysko-Kamienna | 764.04 mi (1,229.60 km) |
| Harelbeke to Skawina | 728.24 mi (1,171.98 km) |
| Harelbeke to Skierniewice | 727.97 mi (1,171.56 km) |
| Harelbeke to Skoczow | 685.19 mi (1,102.71 km) |
| Harelbeke to Skwierzyna | 534.57 mi (860.31 km) |
| Harelbeke to Slawno | 609.39 mi (980.72 km) |
| Harelbeke to Slubice | 493.29 mi (793.88 km) |
| Harelbeke to Slupca | 631.69 mi (1,016.61 km) |
| Harelbeke to Slupsk | 625.23 mi (1,006.20 km) |
| Harelbeke to Sochaczew | 731.53 mi (1,177.28 km) |
| Harelbeke to Sokolka | 870.97 mi (1,401.69 km) |
| Harelbeke to Sokolow Podlaski | 816.78 mi (1,314.48 km) |
| Harelbeke to Solec Kujawski | 652.16 mi (1,049.54 km) |
| Harelbeke to Sopot | 684.14 mi (1,101.02 km) |
| Harelbeke to Sosnowiec | 694.04 mi (1,116.96 km) |
