| Rock Island to Lewiston (Idaho) | 1,350.51 mi (2,173.44 km) |
| Rock Island to Lewiston (Maine) | 1,048.16 mi (1,686.85 km) |
| Rock Island to Lewisville (North Carolina) | 660.55 mi (1,063.05 km) |
| Rock Island to Lewisville (Texas) | 679.69 mi (1,093.86 km) |
| Rock Island to Lexington (Kentucky) | 402.19 mi (647.27 km) |
| Rock Island to Lexington (Nebraska) | 479.09 mi (771.02 km) |
| Rock Island to Lexington (North Carolina) | 679.86 mi (1,094.12 km) |
| Rock Island to Lexington (South Carolina) | 726.41 mi (1,169.04 km) |
| Rock Island to Lexington Park (Maryland) | 781.15 mi (1,257.13 km) |
| Rock Island to Liberal (Kansas) | 631.68 mi (1,016.60 km) |
| Rock Island to Liberty (Missouri) | 254.03 mi (408.82 km) |
| Rock Island to Liberty Lake (Washington) | 1,366.00 mi (2,198.37 km) |
| Rock Island to Liberty Triangle (Florida) | 976.51 mi (1,571.54 km) |
| Rock Island to Libertyville (Illinois) | 145.92 mi (234.83 km) |
| Rock Island to Lighthouse Point (Florida) | 1,207.79 mi (1,943.75 km) |
