There are
1,500 mi
from Simi Valley, CA to Forney, TX
That's the driving distance. It would take 1 day 1 hour to go from Simi Valley, California to Forney, Texas.
The flight distance (direct flight from Simi Valley, CA to Forney, TX) is 1,286.94 mi.
1,500 mi = 1.61 kms