There are
1,618 mi
from Harlingen, TX to Ann Arbor, MI
That's the driving distance. It would take 1 day 5 hours to go from Harlingen, Texas to Ann Arbor, Michigan.
The flight distance (direct flight from Harlingen, TX to Ann Arbor, MI) is 1,363.88 mi.
1,618 mi = 2,604.70 kms