| Webster Groves to Lovington (New Mexico) | 825.23 mi (1,328.08 km) |
| Webster Groves to Lowell (Indiana) | 243.09 mi (391.21 km) |
| Webster Groves to Lowell (Massachusetts) | 1,034.27 mi (1,664.50 km) |
| Webster Groves to Lower Burrell (Pennsylvania) | 582.71 mi (937.79 km) |
| Webster Groves to Lowes Island (Virginia) | 700.08 mi (1,126.67 km) |
| Webster Groves to Lubbock (Texas) | 730.75 mi (1,176.03 km) |
| Webster Groves to Lufkin (Texas) | 559.54 mi (900.49 km) |
| Webster Groves to Luling (Louisiana) | 600.13 mi (965.82 km) |
| Webster Groves to Lumberton (North Carolina) | 684.91 mi (1,102.25 km) |
| Webster Groves to Lumberton (Texas) | 615.87 mi (991.14 km) |
| Webster Groves to Lutz (Florida) | 853.13 mi (1,372.98 km) |
| Webster Groves to Lynbrook (New York) | 897.77 mi (1,444.83 km) |
| Webster Groves to Lynchburg (Virginia) | 612.97 mi (986.49 km) |
| Webster Groves to Lynden (Washington) | 1,737.60 mi (2,796.40 km) |
| Webster Groves to Lyndhurst (Ohio) | 510.25 mi (821.17 km) |
