Miles between Westminster, CA and Thornton, CO

There are
1,028 mi
from Westminster, CA to Thornton, CO

That's the driving distance. It would take 18 hours 4 mins to go from Westminster, California to Thornton, Colorado.

The flight distance (direct flight from Westminster, CA to Thornton, CO) is 833.90 mi.

1,028 mi = 1.61 kms