There are
2,048 mi
from Simi Valley, CA to Gardendale, AL
That's the driving distance. It would take 1 day 11 hours to go from Simi Valley, California to Gardendale, Alabama.
The flight distance (direct flight from Simi Valley, CA to Gardendale, AL) is 1,824.82 mi.
2,048 mi = 3,296.27 kms