There are
1,142 mi
from Lewisville, TX to Wausau, WI
That's the driving distance. It would take 20 hours 20 mins to go from Lewisville, Texas to Wausau, Wisconsin.
The flight distance (direct flight from Lewisville, TX to Wausau, WI) is 912.18 mi.
1,142 mi = 1.61 kms