There are
2,067 mi
from Santa Monica, CA to West Allis, WI
That's the driving distance. It would take 1 day 12 hours to go from Santa Monica, California to West Allis, Wisconsin.
The flight distance (direct flight from Santa Monica, CA to West Allis, WI) is 1,749.50 mi.
2,067 mi = 3.22 kms