| Watertown to Sierpc | 4,093.00 mi (6,587.04 km) |
| Watertown to Skarzysko-Kamienna | 4,205.74 mi (6,768.49 km) |
| Watertown to Skawina | 4,211.79 mi (6,778.23 km) |
| Watertown to Skierniewice | 4,145.22 mi (6,671.09 km) |
| Watertown to Skoczow | 4,180.78 mi (6,728.31 km) |
| Watertown to Skwierzyna | 3,956.27 mi (6,367.00 km) |
| Watertown to Slawno | 3,934.95 mi (6,332.69 km) |
| Watertown to Slubice | 3,931.50 mi (6,327.13 km) |
| Watertown to Slupca | 4,051.78 mi (6,520.70 km) |
| Watertown to Slupsk | 3,943.33 mi (6,346.17 km) |
| Watertown to Sochaczew | 4,137.79 mi (6,659.12 km) |
| Watertown to Sokolka | 4,203.56 mi (6,764.98 km) |
| Watertown to Sokolow Podlaski | 4,201.21 mi (6,761.19 km) |
| Watertown to Solec Kujawski | 4,035.49 mi (6,494.49 km) |
| Watertown to Sopot | 3,996.51 mi (6,431.76 km) |
