| Portland to Leopoldsburg | 5,072.50 mi (8,163.39 km) |
| Portland to Lessines | 5,058.88 mi (8,141.48 km) |
| Portland to Leuven | 5,071.67 mi (8,162.06 km) |
| Portland to Lichtervelde | 5,023.19 mi (8,084.04 km) |
| Portland to Liedekerke | 5,056.90 mi (8,138.30 km) |
| Portland to Liege | 5,107.37 mi (8,219.51 km) |
| Portland to Lierre | 5,054.25 mi (8,134.03 km) |
| Portland to Lille | 5,055.35 mi (8,135.79 km) |
| Portland to Lint | 5,053.07 mi (8,132.13 km) |
| Portland to Lochristi | 5,037.47 mi (8,107.03 km) |
| Portland to Lokeren | 5,041.30 mi (8,113.19 km) |
| Portland to Lommel | 5,067.45 mi (8,155.27 km) |
| Portland to Londerzeel | 5,054.97 mi (8,135.18 km) |
| Portland to Louvain-la-Neuve | 5,078.76 mi (8,173.47 km) |
| Portland to Lovendegem | 5,031.50 mi (8,097.41 km) |
