| McKeesport to Sierpc | 4,413.90 mi (7,103.49 km) |
| McKeesport to Skarzysko-Kamienna | 4,526.11 mi (7,284.07 km) |
| McKeesport to Skawina | 4,531.28 mi (7,292.39 km) |
| McKeesport to Skierniewice | 4,465.83 mi (7,187.06 km) |
| McKeesport to Skoczow | 4,499.85 mi (7,241.81 km) |
| McKeesport to Skwierzyna | 4,276.28 mi (6,882.00 km) |
| McKeesport to Slawno | 4,255.99 mi (6,849.36 km) |
| McKeesport to Slubice | 4,251.15 mi (6,841.56 km) |
| McKeesport to Slupca | 4,372.11 mi (7,036.22 km) |
| McKeesport to Slupsk | 4,264.45 mi (6,862.98 km) |
| McKeesport to Sochaczew | 4,458.52 mi (7,175.30 km) |
| McKeesport to Sokolka | 4,525.07 mi (7,282.40 km) |
| McKeesport to Sokolow Podlaski | 4,522.32 mi (7,277.97 km) |
| McKeesport to Solec Kujawski | 4,356.25 mi (7,010.70 km) |
| McKeesport to Sopot | 4,317.80 mi (6,948.83 km) |
