There are
1,014 mi
from Garland, TX to Mequon, WI
That's the driving distance. It would take 18 hours 58 mins to go from Garland, Texas to Mequon, Wisconsin.
The flight distance (direct flight from Garland, TX to Mequon, WI) is 853.36 mi.
1,014 mi = 1.61 kms