There are
1,470 mi
from Simi Valley, CA to Owasso, OK
That's the driving distance. It would take 1 day 1 hour to go from Simi Valley, California to Owasso, Oklahoma.
The flight distance (direct flight from Simi Valley, CA to Owasso, OK) is 1,297.60 mi.
1,470 mi = 1.61 kms