Miles between Round Rock, TX and Rio Grande City, TX

There are
356 mi
from Round Rock, TX to Rio Grande City, TX

That's the driving distance. It would take 6 hours 31 mins to go from Round Rock, Texas to Rio Grande City, Texas.

The flight distance (direct flight from Round Rock, TX to Rio Grande City, TX) is 293.55 mi.

356 mi = 573.38 kms