| Grenzach-Wyhlen to Leopoldsburg | 269.01 mi (432.94 km) |
| Grenzach-Wyhlen to Lessines | 278.73 mi (448.57 km) |
| Grenzach-Wyhlen to Leuven | 266.08 mi (428.21 km) |
| Grenzach-Wyhlen to Lichtervelde | 315.25 mi (507.35 km) |
| Grenzach-Wyhlen to Liedekerke | 280.13 mi (450.83 km) |
| Grenzach-Wyhlen to Liege | 233.32 mi (375.50 km) |
| Grenzach-Wyhlen to Lierre | 283.87 mi (456.85 km) |
| Grenzach-Wyhlen to Lille | 284.30 mi (457.54 km) |
| Grenzach-Wyhlen to Lint | 284.75 mi (458.26 km) |
| Grenzach-Wyhlen to Lochristi | 299.56 mi (482.09 km) |
| Grenzach-Wyhlen to Lokeren | 295.73 mi (475.93 km) |
| Grenzach-Wyhlen to Lommel | 275.29 mi (443.03 km) |
| Grenzach-Wyhlen to Londerzeel | 282.23 mi (454.21 km) |
| Grenzach-Wyhlen to Louvain-la-Neuve | 258.29 mi (415.67 km) |
| Grenzach-Wyhlen to Lovendegem | 305.71 mi (491.99 km) |
