Miles between Thornton, CO and Garden Grove, CA

There are
1,023 mi
from Thornton, CO to Garden Grove, CA

That's the driving distance. It would take 17 hours 54 mins to go from Thornton, Colorado to Garden Grove, California.

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

1,023 mi = 1.61 kms