| Keystone to Lewiston (Maine) | 1,299.54 mi (2,091.41 km) |
| Keystone to Lewisville (North Carolina) | 565.37 mi (909.88 km) |
| Keystone to Lewisville (Texas) | 919.28 mi (1,479.44 km) |
| Keystone to Lexington (Kentucky) | 693.15 mi (1,115.51 km) |
| Keystone to Lexington (Nebraska) | 1,306.19 mi (2,102.10 km) |
| Keystone to Lexington (North Carolina) | 547.27 mi (880.75 km) |
| Keystone to Lexington (South Carolina) | 412.88 mi (664.46 km) |
| Keystone to Lexington Park (Maryland) | 784.24 mi (1,262.11 km) |
| Keystone to Liberal (Kansas) | 1,228.86 mi (1,977.66 km) |
| Keystone to Liberty (Missouri) | 1,023.19 mi (1,646.66 km) |
| Keystone to Liberty Lake (Washington) | 2,285.27 mi (3,677.78 km) |
| Keystone to Liberty Triangle (Florida) | 69.25 mi (111.44 km) |
| Keystone to Libertyville (Illinois) | 1,023.34 mi (1,646.91 km) |
| Keystone to Lighthouse Point (Florida) | 200.47 mi (322.62 km) |
| Keystone to Lilburn (Georgia) | 408.13 mi (656.82 km) |
