| Round Lake Beach to St. George (Utah) | 1,397.52 mi (2,249.09 km) |
| Round Lake Beach to St. Helens (Oregon) | 1,725.75 mi (2,777.33 km) |
| Round Lake Beach to St. James (New York) | 776.95 mi (1,250.38 km) |
| Round Lake Beach to St. John (Indiana) | 71.92 mi (115.74 km) |
| Round Lake Beach to St. Joseph (Missouri) | 394.82 mi (635.40 km) |
| Round Lake Beach to St. Louis (Missouri) | 282.48 mi (454.62 km) |
| Round Lake Beach to St. Louis Park (Minnesota) | 318.12 mi (511.97 km) |
| Round Lake Beach to St. Marys (Georgia) | 879.82 mi (1,415.93 km) |
| Round Lake Beach to St. Marys (Pennsylvania) | 494.67 mi (796.10 km) |
| Round Lake Beach to St. Matthews (Kentucky) | 312.96 mi (503.65 km) |
| Round Lake Beach to St. Michael (Minnesota) | 340.96 mi (548.72 km) |
| Round Lake Beach to St. Paul (Minnesota) | 307.36 mi (494.64 km) |
| Round Lake Beach to St. Peter (Minnesota) | 324.80 mi (522.72 km) |
| Round Lake Beach to St. Peters (Missouri) | 281.58 mi (453.17 km) |
| Round Lake Beach to St. Petersburg (Florida) | 1,052.68 mi (1,694.12 km) |
