There are
624 mi
from Hayward, CA to Mcminnville, OR
That's the driving distance. It would take 12 hours 6 mins to go from Hayward, California to Mcminnville, Oregon.
The flight distance (direct flight from Hayward, CA to Mcminnville, OR) is 524.25 mi.
624 mi = 1,003.79 kms