There are
2,153 mi
from Redwood City, CA to Markham, IL
That's the driving distance. It would take 1 day 13 hours to go from Redwood City, California to Markham, Illinois.
The flight distance (direct flight from Redwood City, CA to Markham, IL) is 1,849.67 mi.
2,153 mi = 3,464.93 kms