Miles between Lawton, OK and Rio Grande City, TX

There are
648 mi
from Lawton, OK to Rio Grande City, TX

That's the driving distance. It would take 12 hours 10 mins to go from Lawton, Oklahoma to Rio Grande City, Texas.

The flight distance (direct flight from Lawton, OK to Rio Grande City, TX) is 568.77 mi.

648 mi = 1,043.00 kms