| Chicago Heights to Smyrna (Delaware) | 650.44 mi (1,046.78 km) |
| Chicago Heights to Smyrna (Georgia) | 555.05 mi (893.26 km) |
| Chicago Heights to Smyrna (Tennessee) | 387.49 mi (623.60 km) |
| Chicago Heights to Snellville (Georgia) | 564.71 mi (908.82 km) |
| Chicago Heights to Snoqualmie (Washington) | 1,720.64 mi (2,769.11 km) |
| Chicago Heights to Snyder (Texas) | 949.13 mi (1,527.48 km) |
| Chicago Heights to Socastee (South Carolina) | 716.94 mi (1,153.81 km) |
| Chicago Heights to Socorro (Texas) | 1,234.08 mi (1,986.06 km) |
| Chicago Heights to Soddy-Daisy (Tennessee) | 452.06 mi (727.53 km) |
| Chicago Heights to Solana Beach (California) | 1,721.92 mi (2,771.16 km) |
| Chicago Heights to Soledad (California) | 1,832.04 mi (2,948.38 km) |
| Chicago Heights to Solon (Ohio) | 320.85 mi (516.36 km) |
| Chicago Heights to Somers Point (New Jersey) | 701.17 mi (1,128.43 km) |
| Chicago Heights to Somerset (Kentucky) | 345.89 mi (556.65 km) |
| Chicago Heights to Somerset (New Jersey) | 687.57 mi (1,106.54 km) |
