| Watertown to Leopoldsburg | 3,621.89 mi (5,828.87 km) |
| Watertown to Lessines | 3,578.26 mi (5,758.65 km) |
| Watertown to Leuven | 3,607.29 mi (5,805.38 km) |
| Watertown to Lichtervelde | 3,541.31 mi (5,699.18 km) |
| Watertown to Liedekerke | 3,583.60 mi (5,767.25 km) |
| Watertown to Liege | 3,648.86 mi (5,872.27 km) |
| Watertown to Lierre | 3,594.53 mi (5,784.84 km) |
| Watertown to Lille | 3,601.91 mi (5,796.72 km) |
| Watertown to Lint | 3,591.77 mi (5,780.40 km) |
| Watertown to Lochristi | 3,566.84 mi (5,740.27 km) |
| Watertown to Lokeren | 3,572.72 mi (5,749.73 km) |
| Watertown to Lommel | 3,620.71 mi (5,826.97 km) |
| Watertown to Londerzeel | 3,588.11 mi (5,774.50 km) |
| Watertown to Louvain-la-Neuve | 3,606.02 mi (5,803.33 km) |
| Watertown to Lovendegem | 3,557.69 mi (5,725.55 km) |
