There are
938 mi
from Lewisville, TX to Wauconda, IL
That's the driving distance. It would take 17 hours 37 mins to go from Lewisville, Texas to Wauconda, Illinois.
The flight distance (direct flight from Lewisville, TX to Wauconda, IL) is 798.90 mi.
938 mi = 1,509.32 kms