| Round Lake Beach to La Quinta (California) | 1,639.57 mi (2,638.63 km) |
| Round Lake Beach to La Riviera (California) | 1,757.10 mi (2,827.77 km) |
| Round Lake Beach to La Vergne (Tennessee) | 446.85 mi (719.13 km) |
| Round Lake Beach to La Verne (California) | 1,698.61 mi (2,733.65 km) |
| Round Lake Beach to La Vista (Nebraska) | 419.50 mi (675.11 km) |
| Round Lake Beach to Lacey (Washington) | 1,719.91 mi (2,767.93 km) |
| Round Lake Beach to Lackawanna (New York) | 471.13 mi (758.21 km) |
| Round Lake Beach to Laconia (New Hampshire) | 841.96 mi (1,355.00 km) |
| Round Lake Beach to Ladera Ranch (California) | 1,711.29 mi (2,754.06 km) |
| Round Lake Beach to Ladson (South Carolina) | 779.64 mi (1,254.71 km) |
| Round Lake Beach to Lady Lake (Florida) | 991.00 mi (1,594.86 km) |
| Round Lake Beach to Lafayette (California) | 1,812.07 mi (2,916.24 km) |
| Round Lake Beach to Lafayette (Colorado) | 898.53 mi (1,446.05 km) |
| Round Lake Beach to Lafayette (Indiana) | 150.75 mi (242.61 km) |
| Round Lake Beach to Lafayette (Louisiana) | 868.96 mi (1,398.46 km) |
