| Chicago Heights to Sierpc | 4,614.77 mi (7,426.75 km) |
| Chicago Heights to Skarzysko-Kamienna | 4,733.55 mi (7,617.90 km) |
| Chicago Heights to Skawina | 4,747.62 mi (7,640.56 km) |
| Chicago Heights to Skierniewice | 4,670.60 mi (7,516.60 km) |
| Chicago Heights to Skoczow | 4,719.87 mi (7,595.90 km) |
| Chicago Heights to Skwierzyna | 4,488.76 mi (7,223.97 km) |
| Chicago Heights to Slawno | 4,455.46 mi (7,170.37 km) |
| Chicago Heights to Slubice | 4,467.24 mi (7,189.33 km) |
| Chicago Heights to Slupca | 4,580.67 mi (7,371.88 km) |
| Chicago Heights to Slupsk | 4,462.47 mi (7,181.66 km) |
| Chicago Heights to Sochaczew | 4,661.60 mi (7,502.13 km) |
| Chicago Heights to Sokolka | 4,713.36 mi (7,585.42 km) |
| Chicago Heights to Sokolow Podlaski | 4,719.33 mi (7,595.02 km) |
| Chicago Heights to Solec Kujawski | 4,559.48 mi (7,337.77 km) |
| Chicago Heights to Sopot | 4,512.34 mi (7,261.90 km) |
