| Round Lake Beach to Lancaster (Texas) | 826.26 mi (1,329.74 km) |
| Round Lake Beach to Land O' Lakes (Florida) | 1,028.77 mi (1,655.65 km) |
| Round Lake Beach to Landover (Maryland) | 632.84 mi (1,018.45 km) |
| Round Lake Beach to Langley Park (Maryland) | 626.36 mi (1,008.03 km) |
| Round Lake Beach to Lanham (Maryland) | 633.91 mi (1,020.17 km) |
| Round Lake Beach to Lansdale (Pennsylvania) | 679.81 mi (1,094.04 km) |
| Round Lake Beach to Lansdowne (Pennsylvania) | 686.33 mi (1,104.55 km) |
| Round Lake Beach to Lansdowne (Virginia) | 599.18 mi (964.29 km) |
| Round Lake Beach to Lansing (Illinois) | 62.61 mi (100.77 km) |
| Round Lake Beach to Lansing (Kansas) | 416.95 mi (671.01 km) |
| Round Lake Beach to Lansing (Michigan) | 180.70 mi (290.82 km) |
| Round Lake Beach to Lantana (Florida) | 1,181.81 mi (1,901.94 km) |
| Round Lake Beach to Lantana (Texas) | 808.72 mi (1,301.50 km) |
| Round Lake Beach to Laplace (Louisiana) | 860.57 mi (1,384.95 km) |
| Round Lake Beach to Laramie (Wyoming) | 903.57 mi (1,454.16 km) |
