| West Chicago to Smithville (Missouri) | 375.01 mi (603.53 km) |
| West Chicago to Smyrna (Delaware) | 685.21 mi (1,102.74 km) |
| West Chicago to Smyrna (Georgia) | 590.54 mi (950.39 km) |
| West Chicago to Smyrna (Tennessee) | 419.57 mi (675.23 km) |
| West Chicago to Snellville (Georgia) | 601.11 mi (967.39 km) |
| West Chicago to Snoqualmie (Washington) | 1,681.70 mi (2,706.43 km) |
| West Chicago to Snyder (Texas) | 940.78 mi (1,514.04 km) |
| West Chicago to Socastee (South Carolina) | 757.31 mi (1,218.77 km) |
| West Chicago to Socorro (Texas) | 1,220.09 mi (1,963.55 km) |
| West Chicago to Soddy-Daisy (Tennessee) | 487.32 mi (784.27 km) |
| West Chicago to Solana Beach (California) | 1,697.10 mi (2,731.21 km) |
| West Chicago to Soledad (California) | 1,801.76 mi (2,899.65 km) |
| West Chicago to Solon (Ohio) | 352.03 mi (566.53 km) |
| West Chicago to Somers Point (New Jersey) | 735.39 mi (1,183.49 km) |
| West Chicago to Somerset (Kentucky) | 384.24 mi (618.38 km) |
