| Round Lake Beach to Lewiston (Idaho) | 1,445.82 mi (2,326.82 km) |
| Round Lake Beach to Lewiston (Maine) | 907.59 mi (1,460.63 km) |
| Round Lake Beach to Lewisville (North Carolina) | 596.37 mi (959.76 km) |
| Round Lake Beach to Lewisville (Texas) | 806.80 mi (1,298.41 km) |
| Round Lake Beach to Lexington (Kentucky) | 355.33 mi (571.85 km) |
| Round Lake Beach to Lexington (Nebraska) | 612.46 mi (985.65 km) |
| Round Lake Beach to Lexington (North Carolina) | 617.56 mi (993.87 km) |
| Round Lake Beach to Lexington (South Carolina) | 688.56 mi (1,108.13 km) |
| Round Lake Beach to Lexington Park (Maryland) | 675.42 mi (1,086.98 km) |
| Round Lake Beach to Liberal (Kansas) | 774.77 mi (1,246.87 km) |
| Round Lake Beach to Liberty (Missouri) | 395.96 mi (637.23 km) |
| Round Lake Beach to Liberty Lake (Washington) | 1,454.32 mi (2,340.50 km) |
| Round Lake Beach to Liberty Triangle (Florida) | 975.54 mi (1,569.98 km) |
| Round Lake Beach to Libertyville (Illinois) | 8.63 mi (13.89 km) |
| Round Lake Beach to Lighthouse Point (Florida) | 1,200.86 mi (1,932.60 km) |
