There are
846 mi
from San Leandro, CA to Marysville, WA
That's the driving distance. It would take 16 hours 19 mins to go from San Leandro, California to Marysville, Washington.
The flight distance (direct flight from San Leandro, CA to Marysville, WA) is 713.52 mi.
846 mi = 1,360.84 kms