| Konstancin-Jeziorna to Leopoldsburg | 682.59 mi (1,098.53 km) |
| Konstancin-Jeziorna to Lessines | 749.16 mi (1,205.66 km) |
| Konstancin-Jeziorna to Leuven | 709.67 mi (1,142.10 km) |
| Konstancin-Jeziorna to Lichtervelde | 773.90 mi (1,245.47 km) |
| Konstancin-Jeziorna to Liedekerke | 736.11 mi (1,184.66 km) |
| Konstancin-Jeziorna to Liege | 676.72 mi (1,089.08 km) |
| Konstancin-Jeziorna to Lierre | 711.62 mi (1,145.23 km) |
| Konstancin-Jeziorna to Lille | 698.93 mi (1,124.81 km) |
| Konstancin-Jeziorna to Lint | 715.39 mi (1,151.31 km) |
| Konstancin-Jeziorna to Lochristi | 743.22 mi (1,196.09 km) |
| Konstancin-Jeziorna to Lokeren | 736.85 mi (1,185.85 km) |
| Konstancin-Jeziorna to Lommel | 678.41 mi (1,091.79 km) |
| Konstancin-Jeziorna to Londerzeel | 724.87 mi (1,166.57 km) |
| Konstancin-Jeziorna to Louvain-la-Neuve | 721.70 mi (1,161.46 km) |
| Konstancin-Jeziorna to Lovendegem | 753.12 mi (1,212.03 km) |
