| Rockville to Sierpc | 4,383.49 mi (7,054.55 km) |
| Rockville to Skarzysko-Kamienna | 4,492.29 mi (7,229.64 km) |
| Rockville to Skawina | 4,493.30 mi (7,231.27 km) |
| Rockville to Skierniewice | 4,433.45 mi (7,134.94 km) |
| Rockville to Skoczow | 4,460.25 mi (7,178.08 km) |
| Rockville to Skwierzyna | 4,240.95 mi (6,825.15 km) |
| Rockville to Slawno | 4,226.78 mi (6,802.34 km) |
| Rockville to Slubice | 4,214.21 mi (6,782.12 km) |
| Rockville to Slupca | 4,338.27 mi (6,981.78 km) |
| Rockville to Slupsk | 4,235.87 mi (6,816.98 km) |
| Rockville to Sochaczew | 4,426.94 mi (7,124.47 km) |
| Rockville to Sokolka | 4,500.03 mi (7,242.10 km) |
| Rockville to Sokolow Podlaski | 4,493.31 mi (7,231.29 km) |
| Rockville to Solec Kujawski | 4,324.94 mi (6,960.32 km) |
| Rockville to Sopot | 4,290.63 mi (6,905.10 km) |
