| Sonderborg to Leopoldsburg | 322.93 mi (519.71 km) |
| Sonderborg to Lessines | 381.85 mi (614.53 km) |
| Sonderborg to Leuven | 349.94 mi (563.18 km) |
| Sonderborg to Lichtervelde | 385.24 mi (619.98 km) |
| Sonderborg to Liedekerke | 366.95 mi (590.55 km) |
| Sonderborg to Liege | 343.87 mi (553.40 km) |
| Sonderborg to Lierre | 339.50 mi (546.37 km) |
| Sonderborg to Lille | 327.00 mi (526.26 km) |
| Sonderborg to Lint | 342.63 mi (551.40 km) |
| Sonderborg to Lochristi | 361.43 mi (581.67 km) |
| Sonderborg to Lokeren | 357.20 mi (574.86 km) |
| Sonderborg to Lommel | 314.79 mi (506.61 km) |
| Sonderborg to Londerzeel | 353.88 mi (569.52 km) |
| Sonderborg to Louvain-la-Neuve | 367.21 mi (590.97 km) |
| Sonderborg to Lovendegem | 368.13 mi (592.44 km) |
