| Round Lake Beach to Salisbury (New York) | 758.17 mi (1,220.16 km) |
| Round Lake Beach to Salisbury (North Carolina) | 616.85 mi (992.73 km) |
| Round Lake Beach to Salmon Creek (Washington) | 1,719.23 mi (2,766.83 km) |
| Round Lake Beach to Salt Lake City (Utah) | 1,233.57 mi (1,985.25 km) |
| Round Lake Beach to Sammamish (Washington) | 1,683.94 mi (2,710.04 km) |
| Round Lake Beach to San Angelo (Texas) | 1,016.61 mi (1,636.07 km) |
| Round Lake Beach to San Anselmo (California) | 1,832.88 mi (2,949.73 km) |
| Round Lake Beach to San Antonio (Texas) | 1,064.77 mi (1,713.58 km) |
| Round Lake Beach to San Benito (Texas) | 1,246.49 mi (2,006.02 km) |
| Round Lake Beach to San Bernardino (California) | 1,673.99 mi (2,694.03 km) |
| Round Lake Beach to San Bruno (California) | 1,834.58 mi (2,952.47 km) |
| Round Lake Beach to San Buenaventura (California) | 1,767.29 mi (2,844.18 km) |
| Round Lake Beach to San Carlos (California) | 1,829.43 mi (2,944.18 km) |
| Round Lake Beach to San Carlos Park (Florida) | 1,154.39 mi (1,857.81 km) |
| Round Lake Beach to San Clemente (California) | 1,713.11 mi (2,756.98 km) |
