There are
1,107 mi
from Harlingen, TX to Brentwood, TN
That's the driving distance. It would take 20 hours 45 mins to go from Harlingen, Texas to Brentwood, Tennessee.
The flight distance (direct flight from Harlingen, TX to Brentwood, TN) is 936.35 mi.
1,107 mi = 1,781.97 kms