| Rockville Centre to Sierpc | 4,176.51 mi (6,721.44 km) |
| Rockville Centre to Skarzysko-Kamienna | 4,283.98 mi (6,894.40 km) |
| Rockville Centre to Skawina | 4,283.58 mi (6,893.76 km) |
| Rockville Centre to Skierniewice | 4,225.69 mi (6,800.60 km) |
| Rockville Centre to Skoczow | 4,250.02 mi (6,839.75 km) |
| Rockville Centre to Skwierzyna | 4,032.24 mi (6,489.27 km) |
| Rockville Centre to Slawno | 4,020.35 mi (6,470.13 km) |
| Rockville Centre to Slubice | 4,004.97 mi (6,445.37 km) |
| Rockville Centre to Slupca | 4,130.04 mi (6,646.66 km) |
| Rockville Centre to Slupsk | 4,029.70 mi (6,485.17 km) |
| Rockville Centre to Sochaczew | 4,219.49 mi (6,790.61 km) |
| Rockville Centre to Sokolka | 4,295.14 mi (6,912.36 km) |
| Rockville Centre to Sokolow Podlaski | 4,286.81 mi (6,898.96 km) |
| Rockville Centre to Solec Kujawski | 4,117.65 mi (6,626.72 km) |
| Rockville Centre to Sopot | 4,084.99 mi (6,574.15 km) |
