There are
464 mi
from Lexington, KY to Wauwatosa, WI
That's the driving distance. It would take 8 hours 58 mins to go from Lexington, Kentucky to Wauwatosa, Wisconsin.
The flight distance (direct flight from Lexington, KY to Wauwatosa, WI) is 391.85 mi.
464 mi = 745.95 kms