| Castaic to Leopoldsburg | 5,613.54 mi (9,034.13 km) |
| Castaic to Lessines | 5,590.06 mi (8,996.33 km) |
| Castaic to Leuven | 5,608.37 mi (9,025.79 km) |
| Castaic to Lichtervelde | 5,553.01 mi (8,936.70 km) |
| Castaic to Liedekerke | 5,590.37 mi (8,996.84 km) |
| Castaic to Liege | 5,646.87 mi (9,087.75 km) |
| Castaic to Lierre | 5,591.95 mi (8,999.37 km) |
| Castaic to Lille | 5,595.05 mi (9,004.36 km) |
| Castaic to Lint | 5,590.24 mi (8,996.62 km) |
| Castaic to Lochristi | 5,571.27 mi (8,966.09 km) |
| Castaic to Lokeren | 5,575.85 mi (8,973.46 km) |
| Castaic to Lommel | 5,609.56 mi (9,027.72 km) |
| Castaic to Londerzeel | 5,590.43 mi (8,996.92 km) |
| Castaic to Louvain-la-Neuve | 5,612.99 mi (9,033.23 km) |
| Castaic to Lovendegem | 5,564.12 mi (8,954.59 km) |
