There are
1,839 mi
from Huntington Beach, CA to Lake St Louis, MO
That's the driving distance. It would take 1 day 8 hours to go from Huntington Beach, California to Lake St Louis, Missouri.
The flight distance (direct flight from Huntington Beach, CA to Lake St Louis, MO) is 1,551.26 mi.
1,839 mi = 1.61 kms