| Round Lake Beach to Live Oak (Texas) | 1,053.78 mi (1,695.89 km) |
| Round Lake Beach to Livermore (California) | 1,798.83 mi (2,894.94 km) |
| Round Lake Beach to Livingston (California) | 1,753.48 mi (2,821.96 km) |
| Round Lake Beach to Livonia (Michigan) | 240.22 mi (386.60 km) |
| Round Lake Beach to Lochearn (Maryland) | 628.43 mi (1,011.36 km) |
| Round Lake Beach to Lockhart (Florida) | 1,020.20 mi (1,641.86 km) |
| Round Lake Beach to Lockhart (Texas) | 1,014.85 mi (1,633.25 km) |
| Round Lake Beach to Lockport (Illinois) | 54.54 mi (87.78 km) |
| Round Lake Beach to Lockport (New York) | 478.87 mi (770.67 km) |
| Round Lake Beach to Lodi (California) | 1,764.40 mi (2,839.52 km) |
| Round Lake Beach to Lodi (New Jersey) | 729.55 mi (1,174.10 km) |
| Round Lake Beach to Logan (Utah) | 1,215.73 mi (1,956.53 km) |
| Round Lake Beach to Logansport (Indiana) | 143.88 mi (231.55 km) |
| Round Lake Beach to Loganville (Georgia) | 632.43 mi (1,017.80 km) |
| Round Lake Beach to Loma Linda (California) | 1,674.95 mi (2,695.58 km) |
