Miles between Thornton, CO and Port Washington, WI

There are
1,064 mi
from Thornton, CO to Port Washington, WI

That's the driving distance. It would take 18 hours 55 mins to go from Thornton, Colorado to Port Washington, Wisconsin.

The flight distance (direct flight from Thornton, CO to Port Washington, WI) is 913.97 mi.

1,064 mi = 1.61 kms