| Flensburg to Leopoldsburg | 307.16 mi (494.32 km) |
| Flensburg to Lessines | 365.57 mi (588.33 km) |
| Flensburg to Leuven | 333.98 mi (537.49 km) |
| Flensburg to Lichtervelde | 368.62 mi (593.23 km) |
| Flensburg to Liedekerke | 350.70 mi (564.39 km) |
| Flensburg to Liege | 328.67 mi (528.94 km) |
| Flensburg to Lierre | 323.32 mi (520.33 km) |
| Flensburg to Lille | 310.90 mi (500.34 km) |
| Flensburg to Lint | 326.41 mi (525.31 km) |
| Flensburg to Lochristi | 344.98 mi (555.18 km) |
| Flensburg to Lokeren | 340.80 mi (548.46 km) |
| Flensburg to Lommel | 298.98 mi (481.16 km) |
| Flensburg to Londerzeel | 337.65 mi (543.40 km) |
| Flensburg to Louvain-la-Neuve | 351.27 mi (565.32 km) |
| Flensburg to Lovendegem | 351.60 mi (565.84 km) |
