| Riverdale to Sierpc | 4,934.93 mi (7,942.01 km) |
| Riverdale to Skarzysko-Kamienna | 5,044.92 mi (8,119.02 km) |
| Riverdale to Skawina | 5,047.07 mi (8,122.47 km) |
| Riverdale to Skierniewice | 4,985.60 mi (8,023.55 km) |
| Riverdale to Skoczow | 5,014.36 mi (8,069.83 km) |
| Riverdale to Skwierzyna | 4,793.98 mi (7,715.16 km) |
| Riverdale to Slawno | 4,777.71 mi (7,688.99 km) |
| Riverdale to Slubice | 4,767.67 mi (7,672.82 km) |
| Riverdale to Slupca | 4,890.88 mi (7,871.11 km) |
| Riverdale to Slupsk | 4,786.56 mi (7,703.22 km) |
| Riverdale to Sochaczew | 4,978.82 mi (8,012.63 km) |
| Riverdale to Sokolka | 5,049.21 mi (8,125.92 km) |
| Riverdale to Sokolow Podlaski | 5,044.23 mi (8,117.91 km) |
| Riverdale to Solec Kujawski | 4,876.70 mi (7,848.29 km) |
| Riverdale to Sopot | 4,840.73 mi (7,790.40 km) |
