| Rapid City to Sierpc | 4,932.14 mi (7,937.51 km) |
| Rapid City to Skarzysko-Kamienna | 5,060.47 mi (8,144.05 km) |
| Rapid City to Skawina | 5,091.96 mi (8,194.72 km) |
| Rapid City to Skierniewice | 4,994.04 mi (8,037.14 km) |
| Rapid City to Skoczow | 5,072.37 mi (8,163.19 km) |
| Rapid City to Skwierzyna | 4,832.98 mi (7,777.93 km) |
| Rapid City to Slawno | 4,774.96 mi (7,684.56 km) |
| Rapid City to Slubice | 4,819.26 mi (7,755.85 km) |
| Rapid City to Slupca | 4,914.37 mi (7,908.91 km) |
| Rapid City to Slupsk | 4,778.89 mi (7,690.88 km) |
| Rapid City to Sochaczew | 4,981.97 mi (8,017.70 km) |
| Rapid City to Sokolka | 5,002.74 mi (8,051.13 km) |
| Rapid City to Sokolow Podlaski | 5,025.87 mi (8,088.35 km) |
| Rapid City to Solec Kujawski | 4,883.21 mi (7,858.77 km) |
| Rapid City to Sopot | 4,820.32 mi (7,757.55 km) |
