| Rio Grande City to Forney (Texas) | 462.08 mi (743.65 km) |
| Rio Grande City to Forrest City (Arkansas) | 763.08 mi (1,228.06 km) |
| Rio Grande City to Fort Atkinson (Wisconsin) | 1,273.80 mi (2,049.98 km) |
| Rio Grande City to Fort Bliss (Texas) | 591.42 mi (951.79 km) |
| Rio Grande City to Fort Campbell North (Kentucky) | 973.79 mi (1,567.16 km) |
| Rio Grande City to Fort Carson (Colorado) | 919.06 mi (1,479.08 km) |
| Rio Grande City to Fort Collins (Colorado) | 1,042.16 mi (1,677.19 km) |
| Rio Grande City to Fort Dodge (Iowa) | 1,144.93 mi (1,842.58 km) |
| Rio Grande City to Fort Drum (New York) | 1,771.85 mi (2,851.51 km) |
| Rio Grande City to Fort Hood (Texas) | 334.49 mi (538.31 km) |
| Rio Grande City to Fort Hunt (Virginia) | 1,521.63 mi (2,448.83 km) |
| Rio Grande City to Fort Lauderdale (Florida) | 1,156.25 mi (1,860.81 km) |
| Rio Grande City to Fort Lee (New Jersey) | 1,734.56 mi (2,791.50 km) |
| Rio Grande City to Fort Leonard Wood (Missouri) | 877.62 mi (1,412.39 km) |
| Rio Grande City to Fort Lewis (Washington) | 1,928.08 mi (3,102.95 km) |
