There are
1,616 mi
from Harlingen, TX to De Pere, WI
That's the driving distance. It would take 1 day 5 hours to go from Harlingen, Texas to De Pere, Wisconsin.
The flight distance (direct flight from Harlingen, TX to De Pere, WI) is 1,371.13 mi.
1,616 mi = 2,600.18 kms