Miles between Longmont, CO and Garden Grove, CA

There are
1,041 mi
from Longmont, CO to Garden Grove, CA

That's the driving distance. It would take 18 hours 20 mins to go from Longmont, Colorado to Garden Grove, California.

The flight distance (direct flight from Longmont, CO to Garden Grove, CA) is 833.82 mi.

1,041 mi = 1.61 kms