There are
2,156 mi
from San Mateo, CA to Northbrook, IL
That's the driving distance. It would take 1 day 13 hours to go from San Mateo, California to Northbrook, Illinois.
The flight distance (direct flight from San Mateo, CA to Northbrook, IL) is 1,844.10 mi.
2,156 mi = 3.22 kms