There are
1,491 mi
from Harlingen, TX to Elkhart, IN
That's the driving distance. It would take 1 day 3 hours to go from Harlingen, Texas to Elkhart, Indiana.
The flight distance (direct flight from Harlingen, TX to Elkhart, IN) is 1,260.94 mi.
1,491 mi = 2,399.04 kms