Miles between Killeen, TX and Rio Grande City, TX

There are
421 mi
from Killeen, TX to Rio Grande City, TX

That's the driving distance. It would take 7 hours 24 mins to go from Killeen, Texas to Rio Grande City, Texas.

The flight distance (direct flight from Killeen, TX to Rio Grande City, TX) is 333.93 mi.

421 mi = 676.81 kms