There are
701 mi
from Yakima, WA to Petaluma, CA
That's the driving distance. It would take 14 hours 1 min to go from Yakima, Washington to Petaluma, California.
The flight distance (direct flight from Yakima, WA to Petaluma, CA) is 588.35 mi.
701 mi = 1,127.42 kms