There are
748 mi
from San Leandro, CA to Richland, WA
That's the driving distance. It would take 14 hours 46 mins to go from San Leandro, California to Richland, Washington.
The flight distance (direct flight from San Leandro, CA to Richland, WA) is 609.48 mi.
748 mi = 1,204.35 kms