There are
682 mi
from Gresham, OR to Los Altos, CA
That's the driving distance. It would take 13 hours 15 mins to go from Gresham, Oregon to Los Altos, California.
The flight distance (direct flight from Gresham, OR to Los Altos, CA) is 560.92 mi.
682 mi = 1,097.71 kms