| Grayslake to Smyrna (Delaware) | 682.23 mi (1,097.94 km) |
| Grayslake to Smyrna (Georgia) | 615.98 mi (991.33 km) |
| Grayslake to Smyrna (Tennessee) | 447.57 mi (720.30 km) |
| Grayslake to Snellville (Georgia) | 625.62 mi (1,006.84 km) |
| Grayslake to Snoqualmie (Washington) | 1,677.91 mi (2,700.34 km) |
| Grayslake to Snyder (Texas) | 967.66 mi (1,557.30 km) |
| Grayslake to Socastee (South Carolina) | 772.89 mi (1,243.84 km) |
| Grayslake to Socorro (Texas) | 1,243.98 mi (2,002.00 km) |
| Grayslake to Soddy-Daisy (Tennessee) | 512.98 mi (825.57 km) |
| Grayslake to Solana Beach (California) | 1,713.12 mi (2,757.01 km) |
| Grayslake to Soledad (California) | 1,812.32 mi (2,916.65 km) |
| Grayslake to Solon (Ohio) | 345.54 mi (556.09 km) |
| Grayslake to Somers Point (New Jersey) | 731.50 mi (1,177.24 km) |
| Grayslake to Somerset (Kentucky) | 406.15 mi (653.64 km) |
| Grayslake to Somerset (New Jersey) | 711.64 mi (1,145.28 km) |
