There are
1,423 mi
from Simi Valley, CA to Ponca City, OK
That's the driving distance. It would take 1 day 1 hour to go from Simi Valley, California to Ponca City, Oklahoma.
The flight distance (direct flight from Simi Valley, CA to Ponca City, OK) is 1,229.42 mi.
1,423 mi = 1.61 kms