| Rio Grande City to Florence (Kentucky) | 1,196.35 mi (1,925.34 km) |
| Rio Grande City to Florence (South Carolina) | 1,254.07 mi (2,018.23 km) |
| Rio Grande City to Florence-Graham (California) | 1,270.26 mi (2,044.29 km) |
| Rio Grande City to Florham Park (New Jersey) | 1,712.56 mi (2,756.10 km) |
| Rio Grande City to Florida (Puerto Rico) | 2,127.94 mi (3,424.58 km) |
| Rio Grande City to Florida City (Florida) | 1,141.48 mi (1,837.03 km) |
| Rio Grande City to Florida Ridge (Florida) | 1,137.18 mi (1,830.11 km) |
| Rio Grande City to Florin (California) | 1,553.30 mi (2,499.80 km) |
| Rio Grande City to Florissant (Missouri) | 989.21 mi (1,591.97 km) |
| Rio Grande City to Flower Hill (Maryland) | 1,529.88 mi (2,462.10 km) |
| Rio Grande City to Flower Mound (Texas) | 470.96 mi (757.94 km) |
| Rio Grande City to Flowing Wells (Arizona) | 839.36 mi (1,350.83 km) |
| Rio Grande City to Foley (Alabama) | 732.28 mi (1,178.49 km) |
| Rio Grande City to Folsom (California) | 1,546.22 mi (2,488.40 km) |
| Rio Grande City to Fond du Lac (Wisconsin) | 1,334.75 mi (2,148.07 km) |
