| Denver to Sierpc | 5,230.36 mi (8,417.45 km) |
| Denver to Skarzysko-Kamienna | 5,357.88 mi (8,622.67 km) |
| Denver to Skawina | 5,387.34 mi (8,670.09 km) |
| Denver to Skierniewice | 5,291.71 mi (8,516.19 km) |
| Denver to Skoczow | 5,366.67 mi (8,636.82 km) |
| Denver to Skwierzyna | 5,127.82 mi (8,252.43 km) |
| Denver to Slawno | 5,072.63 mi (8,163.60 km) |
| Denver to Slubice | 5,113.07 mi (8,228.68 km) |
| Denver to Slupca | 5,210.68 mi (8,385.78 km) |
| Denver to Slupsk | 5,076.91 mi (8,170.50 km) |
| Denver to Sochaczew | 5,279.95 mi (8,497.27 km) |
| Denver to Sokolka | 5,303.94 mi (8,535.86 km) |
| Denver to Sokolow Podlaski | 5,325.42 mi (8,570.44 km) |
| Denver to Solec Kujawski | 5,180.62 mi (8,337.40 km) |
| Denver to Sopot | 5,119.33 mi (8,238.76 km) |
