| Harmanli to Leopoldsburg | 1,162.46 mi (1,870.80 km) |
| Harmanli to Lessines | 1,208.45 mi (1,944.80 km) |
| Harmanli to Leuven | 1,177.88 mi (1,895.61 km) |
| Harmanli to Lichtervelde | 1,244.86 mi (2,003.41 km) |
| Harmanli to Liedekerke | 1,202.20 mi (1,934.75 km) |
| Harmanli to Liege | 1,136.27 mi (1,828.66 km) |
| Harmanli to Lierre | 1,190.13 mi (1,915.32 km) |
| Harmanli to Lille | 1,182.45 mi (1,902.96 km) |
| Harmanli to Lint | 1,192.97 mi (1,919.90 km) |
| Harmanli to Lochristi | 1,218.43 mi (1,960.87 km) |
| Harmanli to Lokeren | 1,212.43 mi (1,951.21 km) |
| Harmanli to Lommel | 1,163.50 mi (1,872.48 km) |
| Harmanli to Londerzeel | 1,197.06 mi (1,926.49 km) |
| Harmanli to Louvain-la-Neuve | 1,180.10 mi (1,899.18 km) |
| Harmanli to Lovendegem | 1,227.78 mi (1,975.91 km) |
