Miles between Thornton, CO and West Allis, WI

There are
1,032 mi
from Thornton, CO to West Allis, WI

That's the driving distance. It would take 18 hours 15 mins to go from Thornton, Colorado to West Allis, Wisconsin.

The flight distance (direct flight from Thornton, CO to West Allis, WI) is 903.48 mi.

1,032 mi = 1.61 kms