| South San Francisco to Leopoldsburg | 5,534.97 mi (8,907.67 km) |
| South San Francisco to Lessines | 5,516.35 mi (8,877.71 km) |
| South San Francisco to Leuven | 5,531.96 mi (8,902.83 km) |
| South San Francisco to Lichtervelde | 5,479.87 mi (8,819.00 km) |
| South San Francisco to Liedekerke | 5,515.53 mi (8,876.39 km) |
| South San Francisco to Liege | 5,569.16 mi (8,962.70 km) |
| South San Francisco to Lierre | 5,514.99 mi (8,875.52 km) |
| South San Francisco to Lille | 5,517.10 mi (8,878.91 km) |
| South San Francisco to Lint | 5,513.55 mi (8,873.20 km) |
| South San Francisco to Lochristi | 5,496.20 mi (8,845.29 km) |
| South San Francisco to Lokeren | 5,500.42 mi (8,852.08 km) |
| South San Francisco to Lommel | 5,530.44 mi (8,900.38 km) |
| South San Francisco to Londerzeel | 5,514.59 mi (8,874.87 km) |
| South San Francisco to Louvain-la-Neuve | 5,537.83 mi (8,912.28 km) |
| South San Francisco to Lovendegem | 5,489.62 mi (8,834.69 km) |
