| Slough to Lewiston (Maine) | 3,145.60 mi (5,062.36 km) |
| Slough to Lewisville (North Carolina) | 3,912.95 mi (6,297.29 km) |
| Slough to Lewisville (Texas) | 4,723.48 mi (7,601.70 km) |
| Slough to Lexington (Kentucky) | 3,985.19 mi (6,413.54 km) |
| Slough to Lexington (Nebraska) | 4,431.57 mi (7,131.92 km) |
| Slough to Lexington (North Carolina) | 3,921.03 mi (6,310.28 km) |
| Slough to Lexington (South Carolina) | 4,046.33 mi (6,511.94 km) |
| Slough to Lexington Park (Maryland) | 3,650.89 mi (5,875.54 km) |
| Slough to Liberal (Kansas) | 4,665.13 mi (7,507.80 km) |
| Slough to Liberty (Missouri) | 4,313.20 mi (6,941.42 km) |
| Slough to Liberty Lake (Washington) | 4,625.94 mi (7,444.73 km) |
| Slough to Liberty Triangle (Florida) | 4,328.18 mi (6,965.53 km) |
| Slough to Libertyville (Illinois) | 3,923.89 mi (6,314.89 km) |
| Slough to Lighthouse Point (Florida) | 4,378.47 mi (7,046.47 km) |
| Slough to Lilburn (Georgia) | 4,170.76 mi (6,712.19 km) |
