| Northglenn to Leopoldsburg | 4,874.86 mi (7,845.33 km) |
| Northglenn to Lessines | 4,845.01 mi (7,797.30 km) |
| Northglenn to Leuven | 4,866.78 mi (7,832.32 km) |
| Northglenn to Lichtervelde | 4,807.54 mi (7,736.98 km) |
| Northglenn to Liedekerke | 4,846.84 mi (7,800.24 km) |
| Northglenn to Liege | 4,906.69 mi (7,896.55 km) |
| Northglenn to Lierre | 4,851.25 mi (7,807.34 km) |
| Northglenn to Lille | 4,855.68 mi (7,814.47 km) |
| Northglenn to Lint | 4,849.21 mi (7,804.04 km) |
| Northglenn to Lochristi | 4,828.20 mi (7,770.24 km) |
| Northglenn to Lokeren | 4,833.23 mi (7,778.33 km) |
| Northglenn to Lommel | 4,871.68 mi (7,840.21 km) |
| Northglenn to Londerzeel | 4,848.24 mi (7,802.48 km) |
| Northglenn to Louvain-la-Neuve | 4,869.68 mi (7,836.99 km) |
| Northglenn to Lovendegem | 4,820.37 mi (7,757.63 km) |
