| Rio Grande City to Fontana (California) | 1,231.03 mi (1,981.16 km) |
| Rio Grande City to Foothill Farms (California) | 1,556.74 mi (2,505.34 km) |
| Rio Grande City to Fords (New Jersey) | 1,708.67 mi (2,749.84 km) |
| Rio Grande City to Forest (Virginia) | 1,370.64 mi (2,205.84 km) |
| Rio Grande City to Forest Acres (South Carolina) | 1,187.33 mi (1,910.83 km) |
| Rio Grande City to Forest City (Florida) | 1,075.38 mi (1,730.66 km) |
| Rio Grande City to Forest Grove (Oregon) | 1,881.68 mi (3,028.27 km) |
| Rio Grande City to Forest Hill (Texas) | 443.92 mi (714.42 km) |
| Rio Grande City to Forest Hills (Michigan) | 1,369.36 mi (2,203.77 km) |
| Rio Grande City to Forest Lake (Minnesota) | 1,343.78 mi (2,162.60 km) |
| Rio Grande City to Forest Park (Georgia) | 998.06 mi (1,606.23 km) |
| Rio Grande City to Forest Park (Illinois) | 1,239.03 mi (1,994.03 km) |
| Rio Grande City to Forest Park (Ohio) | 1,215.01 mi (1,955.38 km) |
| Rio Grande City to Forestville (Maryland) | 1,534.31 mi (2,469.24 km) |
| Rio Grande City to Forestville (Ohio) | 1,212.37 mi (1,951.12 km) |
