There are
2,041 mi
from Huntington Beach, CA to Gallatin, TN
That's the driving distance. It would take 1 day 11 hours to go from Huntington Beach, California to Gallatin, Tennessee.
The flight distance (direct flight from Huntington Beach, CA to Gallatin, TN) is 1,787.24 mi.
2,041 mi = 3,285.40 kms