There are
715 mi
from Yakima, WA to San Leandro, CA
That's the driving distance. It would take 14 hours 20 mins to go from Yakima, Washington to San Leandro, California.
The flight distance (direct flight from Yakima, WA to San Leandro, CA) is 619.11 mi.
715 mi = 1,150.87 kms