There are
1,451 mi
from Harlingen, TX to Fort Atkinson, WI
That's the driving distance. It would take 1 day 3 hours to go from Harlingen, Texas to Fort Atkinson, Wisconsin.
The flight distance (direct flight from Harlingen, TX to Fort Atkinson, WI) is 1,259.78 mi.
1,451 mi = 2,335.67 kms