There are
1,572 mi
from Simi Valley, CA to Huntsville, TX
That's the driving distance. It would take 1 day 3 hours to go from Simi Valley, California to Huntsville, Texas.
The flight distance (direct flight from Simi Valley, CA to Huntsville, TX) is 1,372.59 mi.
1,572 mi = 1.61 kms