There are
1,838 mi
from Huntington Beach, CA to Festus, MO
That's the driving distance. It would take 1 day 8 hours to go from Huntington Beach, California to Festus, Missouri.
The flight distance (direct flight from Huntington Beach, CA to Festus, MO) is 1,569.78 mi.
1,838 mi = 1.61 kms