There are
1,616 mi
from Garden Grove, CA to Leavenworth, KS
That's the driving distance. It would take 1 day 4 hours to go from Garden Grove, California to Leavenworth, Kansas.
The flight distance (direct flight from Garden Grove, CA to Leavenworth, KS) is 1,329.60 mi.
1,616 mi = 1.61 kms