There are
1,344 mi
from Simi Valley, CA to Bethany, OK
That's the driving distance. It would take 23 hours 45 mins to go from Simi Valley, California to Bethany, Oklahoma.
The flight distance (direct flight from Simi Valley, CA to Bethany, OK) is 1,199.33 mi.
1,344 mi = 1.61 kms