There are
737 mi
from Antioch, CA to Ellensburg, WA
That's the driving distance. It would take 14 hours 38 mins to go from Antioch, California to Ellensburg, Washington.
The flight distance (direct flight from Antioch, CA to Ellensburg, WA) is 624.53 mi.
737 mi = 1,186.05 kms