There are
1,407 mi
from Harlingen, TX to Griffith, IN
That's the driving distance. It would take 1 day 2 hours to go from Harlingen, Texas to Griffith, Indiana.
The flight distance (direct flight from Harlingen, TX to Griffith, IN) is 1,210.47 mi.
1,407 mi = 2,264.23 kms