| Idar-Oberstein to Leopoldsburg | 132.79 mi (213.70 km) |
| Idar-Oberstein to Lessines | 168.79 mi (271.64 km) |
| Idar-Oberstein to Leuven | 140.91 mi (226.77 km) |
| Idar-Oberstein to Lichtervelde | 205.55 mi (330.81 km) |
| Idar-Oberstein to Liedekerke | 163.38 mi (262.94 km) |
| Idar-Oberstein to Liege | 100.29 mi (161.40 km) |
| Idar-Oberstein to Lierre | 155.77 mi (250.68 km) |
| Idar-Oberstein to Lille | 151.47 mi (243.77 km) |
| Idar-Oberstein to Lint | 157.94 mi (254.18 km) |
| Idar-Oberstein to Lochristi | 180.77 mi (290.92 km) |
| Idar-Oberstein to Lokeren | 175.21 mi (281.97 km) |
| Idar-Oberstein to Lommel | 136.97 mi (220.44 km) |
| Idar-Oberstein to Londerzeel | 159.89 mi (257.31 km) |
| Idar-Oberstein to Louvain-la-Neuve | 140.85 mi (226.68 km) |
| Idar-Oberstein to Lovendegem | 189.55 mi (305.05 km) |
