There are
769 mi
from Tacoma, WA to Petaluma, CA
That's the driving distance. It would take 14 hours 53 mins to go from Tacoma, Washington to Petaluma, California.
The flight distance (direct flight from Tacoma, WA to Petaluma, CA) is 623.33 mi.
769 mi = 1,237.16 kms