There are
1,442 mi
from Harlingen, TX to Ashland, KY
That's the driving distance. It would take 1 day 2 hours to go from Harlingen, Texas to Ashland, Kentucky.
The flight distance (direct flight from Harlingen, TX to Ashland, KY) is 1,218.93 mi.
1,442 mi = 2,321.44 kms