| Chicago Heights to Silver Firs (Washington) | 1,735.59 mi (2,793.16 km) |
| Chicago Heights to Silver Spring (Maryland) | 585.40 mi (942.11 km) |
| Chicago Heights to Silver Springs Shores (Florida) | 912.74 mi (1,468.92 km) |
| Chicago Heights to Silverdale (Washington) | 1,760.03 mi (2,832.49 km) |
| Chicago Heights to Silverton (Oregon) | 1,770.83 mi (2,849.88 km) |
| Chicago Heights to Simi Valley (California) | 1,758.18 mi (2,829.52 km) |
| Chicago Heights to Simpsonville (South Carolina) | 551.97 mi (888.31 km) |
| Chicago Heights to Sioux City (Iowa) | 454.47 mi (731.39 km) |
| Chicago Heights to Sioux Falls (South Dakota) | 483.67 mi (778.40 km) |
| Chicago Heights to Skokie (Illinois) | 36.75 mi (59.14 km) |
| Chicago Heights to Sleepy Hollow (New York) | 714.17 mi (1,149.34 km) |
| Chicago Heights to Slidell (Louisiana) | 784.51 mi (1,262.54 km) |
| Chicago Heights to Smithfield (North Carolina) | 650.22 mi (1,046.42 km) |
| Chicago Heights to Smithfield (Utah) | 1,244.60 mi (2,003.00 km) |
| Chicago Heights to Smithville (Missouri) | 393.00 mi (632.48 km) |
