| Idar-Oberstein to Lapua | 1,089.20 mi (1,752.90 km) |
| Idar-Oberstein to Laukaa | 1,126.10 mi (1,812.29 km) |
| Idar-Oberstein to Lauritsala | 1,127.15 mi (1,813.97 km) |
| Idar-Oberstein to Lempaala | 1,021.82 mi (1,644.46 km) |
| Idar-Oberstein to Leppavirta | 1,173.86 mi (1,889.15 km) |
| Idar-Oberstein to Lieksa | 1,264.24 mi (2,034.59 km) |
| Idar-Oberstein to Lieto | 951.11 mi (1,530.67 km) |
| Idar-Oberstein to Liminka | 1,233.33 mi (1,984.85 km) |
| Idar-Oberstein to Liperi | 1,215.79 mi (1,956.62 km) |
| Idar-Oberstein to Lohja | 980.05 mi (1,577.24 km) |
| Idar-Oberstein to Loimaa | 982.76 mi (1,581.59 km) |
| Idar-Oberstein to Loviisa | 1,046.92 mi (1,684.86 km) |
| Idar-Oberstein to Mantsala | 1,029.73 mi (1,657.19 km) |
| Idar-Oberstein to Mariehamn | 872.34 mi (1,403.89 km) |
| Idar-Oberstein to Masku | 946.23 mi (1,522.81 km) |
