There are
2,126 mi
from Markham, IL to San Anselmo, CA
That's the driving distance. It would take 1 day 12 hours to go from Markham, Illinois to San Anselmo, California.
The flight distance (direct flight from Markham, IL to San Anselmo, CA) is 1,855.33 mi.
2,126 mi = 3,421.12 kms