| Flensburg to Lichtenfels | 328.12 mi (528.06 km) |
| Flensburg to Lichtenstein | 308.46 mi (496.42 km) |
| Flensburg to Lienen | 191.79 mi (308.65 km) |
| Flensburg to Limbach-Oberfrohna | 303.75 mi (488.84 km) |
| Flensburg to Limburg | 309.29 mi (497.76 km) |
| Flensburg to Limburgerhof | 372.95 mi (600.21 km) |
| Flensburg to Lindau | 500.08 mi (804.80 km) |
| Flensburg to Lindenberg im Allgau | 496.62 mi (799.24 km) |
| Flensburg to Lindlar | 273.83 mi (440.69 km) |
| Flensburg to Lingen | 178.44 mi (287.18 km) |
| Flensburg to Linkenheim-Hochstetten | 393.20 mi (632.80 km) |
| Flensburg to Linnich | 294.04 mi (473.21 km) |
| Flensburg to Lippstadt | 219.88 mi (353.86 km) |
| Flensburg to Lobau | 334.99 mi (539.12 km) |
| Flensburg to Lohfelden | 242.58 mi (390.40 km) |
