There are
1,068 mi
from Yakima, WA to Placentia, CA
That's the driving distance. It would take 20 hours 46 mins to go from Yakima, Washington to Placentia, California.
The flight distance (direct flight from Yakima, WA to Placentia, CA) is 890.33 mi.
1,068 mi = 1,718.44 kms