Miles between Round Rock, TX and Hidalgo, TX

There are
338 mi
from Round Rock, TX to Hidalgo, TX

That's the driving distance. It would take 6 hours 10 mins to go from Round Rock, Texas to Hidalgo, Texas.

The flight distance (direct flight from Round Rock, TX to Hidalgo, TX) is 306.62 mi.

338 mi = 544.15 kms