There are
2,165 mi
from Markham, IL to Los Gatos, CA
That's the driving distance. It would take 1 day 13 hours to go from Markham, Illinois to Los Gatos, California.
The flight distance (direct flight from Markham, IL to Los Gatos, CA) is 1,841.40 mi.
2,165 mi = 3,484.88 kms