| Rio Grande City to Lewiston (Idaho) | 1,703.83 mi (2,742.04 km) |
| Rio Grande City to Lewiston (Maine) | 2,010.33 mi (3,235.31 km) |
| Rio Grande City to Lewisville (North Carolina) | 1,274.60 mi (2,051.27 km) |
| Rio Grande City to Lewisville (Texas) | 473.50 mi (762.03 km) |
| Rio Grande City to Lexington (Kentucky) | 1,160.94 mi (1,868.36 km) |
| Rio Grande City to Lexington (Nebraska) | 996.15 mi (1,603.15 km) |
| Rio Grande City to Lexington (North Carolina) | 1,272.89 mi (2,048.52 km) |
| Rio Grande City to Lexington (South Carolina) | 1,173.00 mi (1,887.77 km) |
| Rio Grande City to Lexington Park (Maryland) | 1,536.44 mi (2,472.67 km) |
| Rio Grande City to Liberal (Kansas) | 747.21 mi (1,202.53 km) |
| Rio Grande City to Liberty (Missouri) | 924.15 mi (1,487.28 km) |
| Rio Grande City to Liberty Lake (Washington) | 1,773.51 mi (2,854.19 km) |
| Rio Grande City to Liberty Triangle (Florida) | 1,031.39 mi (1,659.86 km) |
| Rio Grande City to Libertyville (Illinois) | 1,258.99 mi (2,026.15 km) |
| Rio Grande City to Lighthouse Point (Florida) | 1,159.01 mi (1,865.24 km) |
