There are
1,073 mi
from Garland, TX to Manitowoc, WI
That's the driving distance. It would take 20 hours 8 mins to go from Garland, Texas to Manitowoc, Wisconsin.
The flight distance (direct flight from Garland, TX to Manitowoc, WI) is 910.91 mi.
1,073 mi = 1.61 kms