There are
2,030 mi
from Simi Valley, CA to Huntsville, AL
That's the driving distance. It would take 1 day 12 hours to go from Simi Valley, California to Huntsville, Alabama.
The flight distance (direct flight from Simi Valley, CA to Huntsville, AL) is 1,825.60 mi.
2,030 mi = 3.22 kms