| Round Lake Beach to Leopoldsburg | 4,156.13 mi (6,688.64 km) |
| Round Lake Beach to Lessines | 4,117.69 mi (6,626.78 km) |
| Round Lake Beach to Leuven | 4,144.02 mi (6,669.16 km) |
| Round Lake Beach to Lichtervelde | 4,080.27 mi (6,566.56 km) |
| Round Lake Beach to Liedekerke | 4,121.67 mi (6,633.18 km) |
| Round Lake Beach to Liege | 4,185.23 mi (6,735.47 km) |
| Round Lake Beach to Lierre | 4,130.07 mi (6,646.70 km) |
| Round Lake Beach to Lille | 4,136.32 mi (6,656.77 km) |
| Round Lake Beach to Lint | 4,127.58 mi (6,642.69 km) |
| Round Lake Beach to Lochristi | 4,104.03 mi (6,604.80 km) |
| Round Lake Beach to Lokeren | 4,109.61 mi (6,613.78 km) |
| Round Lake Beach to Lommel | 4,154.14 mi (6,685.44 km) |
| Round Lake Beach to Londerzeel | 4,124.96 mi (6,638.48 km) |
| Round Lake Beach to Louvain-la-Neuve | 4,144.41 mi (6,669.78 km) |
| Round Lake Beach to Lovendegem | 4,095.34 mi (6,590.82 km) |
