There are
989 mi
from Lewisville, TX to Waukesha, WI
That's the driving distance. It would take 18 hours 27 mins to go from Lewisville, Texas to Waukesha, Wisconsin.
The flight distance (direct flight from Lewisville, TX to Waukesha, WI) is 836.51 mi.
989 mi = 1,591.86 kms