Miles between Fort Smith, AR and Harlingen, TX

There are
778 mi
from Fort Smith, AR to Harlingen, TX

That's the driving distance. It would take 14 hours 15 mins to go from Fort Smith, Arkansas to Harlingen, Texas.

The flight distance (direct flight from Fort Smith, AR to Harlingen, TX) is 664.67 mi.

778 mi = 1,252.82 kms