| Smethwick to Sierpc | 903.08 mi (1,453.37 km) |
| Smethwick to Skarzysko-Kamienna | 978.20 mi (1,574.25 km) |
| Smethwick to Skawina | 955.08 mi (1,537.06 km) |
| Smethwick to Skierniewice | 933.08 mi (1,501.65 km) |
| Smethwick to Skoczow | 915.33 mi (1,473.08 km) |
| Smethwick to Skwierzyna | 732.21 mi (1,178.39 km) |
| Smethwick to Slawno | 775.93 mi (1,248.74 km) |
| Smethwick to Slubice | 695.28 mi (1,118.95 km) |
| Smethwick to Slupca | 833.74 mi (1,341.77 km) |
| Smethwick to Slupsk | 790.43 mi (1,272.07 km) |
| Smethwick to Sochaczew | 933.22 mi (1,501.87 km) |
| Smethwick to Sokolka | 1,056.53 mi (1,700.32 km) |
| Smethwick to Sokolow Podlaski | 1,015.13 mi (1,633.69 km) |
| Smethwick to Solec Kujawski | 842.32 mi (1,355.58 km) |
| Smethwick to Sopot | 852.13 mi (1,371.37 km) |
