Miles between Garden Grove, CA and Thornton, CO

There are
1,024 mi
from Garden Grove, CA to Thornton, CO

That's the driving distance. It would take 17 hours 58 mins to go from Garden Grove, California to Thornton, Colorado.

The flight distance (direct flight from Garden Grove, CA to Thornton, CO) is 830.51 mi.

1,024 mi = 1.61 kms