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