| Mountlake Terrace to Leopoldsburg | 4,931.04 mi (7,935.75 km) |
| Mountlake Terrace to Lessines | 4,918.64 mi (7,915.78 km) |
| Mountlake Terrace to Leuven | 4,930.74 mi (7,935.26 km) |
| Mountlake Terrace to Lichtervelde | 4,883.17 mi (7,858.70 km) |
| Mountlake Terrace to Liedekerke | 4,916.39 mi (7,912.16 km) |
| Mountlake Terrace to Liege | 4,966.05 mi (7,992.08 km) |
| Mountlake Terrace to Lierre | 4,913.23 mi (7,907.07 km) |
| Mountlake Terrace to Lille | 4,914.08 mi (7,908.45 km) |
| Mountlake Terrace to Lint | 4,912.11 mi (7,905.28 km) |
| Mountlake Terrace to Lochristi | 4,896.95 mi (7,880.87 km) |
| Mountlake Terrace to Lokeren | 4,900.68 mi (7,886.88 km) |
| Mountlake Terrace to Lommel | 4,925.87 mi (7,927.43 km) |
| Mountlake Terrace to Londerzeel | 4,914.21 mi (7,908.66 km) |
| Mountlake Terrace to Louvain-la-Neuve | 4,938.12 mi (7,947.13 km) |
| Mountlake Terrace to Lovendegem | 4,891.12 mi (7,871.50 km) |
