| Harlingen to Skarzysko-Kamienna | 670.53 mi (1,079.11 km) |
| Harlingen to Skawina | 655.29 mi (1,054.58 km) |
| Harlingen to Skierniewice | 622.74 mi (1,002.20 km) |
| Harlingen to Skoczow | 619.11 mi (996.36 km) |
| Harlingen to Skwierzyna | 421.45 mi (678.26 km) |
| Harlingen to Slawno | 466.07 mi (750.07 km) |
| Harlingen to Slubice | 386.07 mi (621.31 km) |
| Harlingen to Slupca | 523.21 mi (842.03 km) |
| Harlingen to Slupsk | 480.98 mi (774.07 km) |
| Harlingen to Sochaczew | 622.14 mi (1,001.24 km) |
| Harlingen to Sokolka | 744.66 mi (1,198.41 km) |
| Harlingen to Sokolow Podlaski | 703.36 mi (1,131.95 km) |
| Harlingen to Solec Kujawski | 530.24 mi (853.34 km) |
| Harlingen to Sopot | 542.41 mi (872.92 km) |
| Harlingen to Sosnowiec | 618.46 mi (995.32 km) |
