There are
993 mi
from Garland, TX to Pewaukee, WI
That's the driving distance. It would take 18 hours 36 mins to go from Garland, Texas to Pewaukee, Wisconsin.
The flight distance (direct flight from Garland, TX to Pewaukee, WI) is 836.46 mi.
993 mi = 1,597.27 kms