| Rio Grande City to Live Oak (Texas) | 221.24 mi (356.05 km) |
| Rio Grande City to Livermore (California) | 1,547.86 mi (2,491.04 km) |
| Rio Grande City to Livingston (California) | 1,487.60 mi (2,394.07 km) |
| Rio Grande City to Livonia (Michigan) | 1,409.52 mi (2,268.40 km) |
| Rio Grande City to Lochearn (Maryland) | 1,557.00 mi (2,505.75 km) |
| Rio Grande City to Lockhart (Florida) | 1,075.75 mi (1,731.25 km) |
| Rio Grande City to Lockhart (Texas) | 251.42 mi (404.62 km) |
| Rio Grande City to Lockport (Illinois) | 1,216.96 mi (1,958.50 km) |
| Rio Grande City to Lockport (New York) | 1,619.53 mi (2,606.38 km) |
| Rio Grande City to Lodi (California) | 1,537.09 mi (2,473.71 km) |
| Rio Grande City to Lodi (New Jersey) | 1,730.34 mi (2,784.71 km) |
| Rio Grande City to Logan (Utah) | 1,293.44 mi (2,081.58 km) |
| Rio Grande City to Logansport (Indiana) | 1,222.20 mi (1,966.94 km) |
| Rio Grande City to Loganville (Georgia) | 1,028.48 mi (1,655.18 km) |
| Rio Grande City to Loma Linda (California) | 1,218.52 mi (1,961.02 km) |
