| Chicago Heights to Sesena | 4,202.83 mi (6,763.80 km) |
| Chicago Heights to Sestao | 4,119.85 mi (6,630.26 km) |
| Chicago Heights to Sevilla | 4,201.61 mi (6,761.84 km) |
| Chicago Heights to Sevilla La Nueva | 4,179.17 mi (6,725.72 km) |
| Chicago Heights to Silla | 4,377.83 mi (7,045.44 km) |
| Chicago Heights to Silleda | 3,909.76 mi (6,292.16 km) |
| Chicago Heights to Sitges | 4,404.39 mi (7,088.18 km) |
| Chicago Heights to Socuellamos | 4,273.19 mi (6,877.04 km) |
| Chicago Heights to Soller | 4,499.98 mi (7,242.01 km) |
| Chicago Heights to Solsona | 4,363.26 mi (7,021.99 km) |
| Chicago Heights to Son Servera | 4,534.60 mi (7,297.73 km) |
| Chicago Heights to Sonseca | 4,206.03 mi (6,768.94 km) |
| Chicago Heights to Sopelana | 4,118.54 mi (6,628.15 km) |
| Chicago Heights to Soria | 4,197.94 mi (6,755.92 km) |
| Chicago Heights to Suances | 4,070.17 mi (6,550.30 km) |
