| Round Lake Beach to Storm Lake (Iowa) | 362.73 mi (583.75 km) |
| Round Lake Beach to Storrs (Connecticut) | 811.38 mi (1,305.79 km) |
| Round Lake Beach to Stoughton (Wisconsin) | 69.14 mi (111.27 km) |
| Round Lake Beach to Stow (Ohio) | 352.30 mi (566.98 km) |
| Round Lake Beach to Streamwood (Illinois) | 25.24 mi (40.62 km) |
| Round Lake Beach to Streator (Illinois) | 94.88 mi (152.70 km) |
| Round Lake Beach to Streetsboro (Ohio) | 355.59 mi (572.27 km) |
| Round Lake Beach to Strongsville (Ohio) | 329.92 mi (530.96 km) |
| Round Lake Beach to Stuart (Florida) | 1,138.12 mi (1,831.63 km) |
| Round Lake Beach to Stuarts Draft (Virginia) | 564.01 mi (907.69 km) |
| Round Lake Beach to Sturgis (Michigan) | 142.28 mi (228.98 km) |
| Round Lake Beach to Suamico (Wisconsin) | 155.90 mi (250.89 km) |
| Round Lake Beach to Sudley (Virginia) | 607.77 mi (978.11 km) |
| Round Lake Beach to Suffern (New York) | 723.02 mi (1,163.59 km) |
| Round Lake Beach to Suffolk (Virginia) | 724.21 mi (1,165.50 km) |
