There are
742 mi
from Sunnyvale, CA to Yakima, WA
That's the driving distance. It would take 14 hours 46 mins to go from Sunnyvale, California to Yakima, Washington.
The flight distance (direct flight from Sunnyvale, CA to Yakima, WA) is 642.74 mi.
742 mi = 1,193.60 kms