There are
937 mi
from Huntington Beach, CA to Rexburg, ID
That's the driving distance. It would take 16 hours 16 mins to go from Huntington Beach, California to Rexburg, Idaho.
The flight distance (direct flight from Huntington Beach, CA to Rexburg, ID) is 777.37 mi.
937 mi = 1,508.21 kms