There are
705 mi
from Yakima, WA to Larkspur, CA
That's the driving distance. It would take 14 hours 6 mins to go from Yakima, Washington to Larkspur, California.
The flight distance (direct flight from Yakima, WA to Larkspur, CA) is 607.76 mi.
705 mi = 1,134.57 kms