There are
1,486 mi
from Harlingen, TX to Caledonia, WI
That's the driving distance. It would take 1 day 3 hours to go from Harlingen, Texas to Caledonia, Wisconsin.
The flight distance (direct flight from Harlingen, TX to Caledonia, WI) is 1,273.71 mi.
1,486 mi = 2,391.06 kms