There are
2,023 mi
from Huntsville, AL to Carlsbad, CA
That's the driving distance. It would take 1 day 12 hours to go from Huntsville, Alabama to Carlsbad, California.
The flight distance (direct flight from Huntsville, AL to Carlsbad, CA) is 1,759.89 mi.
2,023 mi = 3.22 kms