| Rapid City to Lewiston (Idaho) | 688.12 mi (1,107.42 km) |
| Rapid City to Lewiston (Maine) | 1,629.31 mi (2,622.13 km) |
| Rapid City to Lewisville (North Carolina) | 1,319.41 mi (2,123.39 km) |
| Rapid City to Lewisville (Texas) | 832.44 mi (1,339.68 km) |
| Rapid City to Lexington (Kentucky) | 1,059.45 mi (1,705.02 km) |
| Rapid City to Lexington (Nebraska) | 288.36 mi (464.08 km) |
| Rapid City to Lexington (North Carolina) | 1,337.48 mi (2,152.46 km) |
| Rapid City to Lexington (South Carolina) | 1,364.57 mi (2,196.07 km) |
| Rapid City to Lexington Park (Maryland) | 1,442.53 mi (2,321.53 km) |
| Rapid City to Liberal (Kansas) | 500.00 mi (804.67 km) |
| Rapid City to Liberty (Missouri) | 563.31 mi (906.56 km) |
| Rapid City to Liberty Lake (Washington) | 711.42 mi (1,144.92 km) |
| Rapid City to Liberty Triangle (Florida) | 1,550.93 mi (2,495.98 km) |
| Rapid City to Libertyville (Illinois) | 777.19 mi (1,250.77 km) |
| Rapid City to Lighthouse Point (Florida) | 1,782.09 mi (2,868.00 km) |
