There are
2,144 mi
from San Mateo, CA to Elmwood Park, IL
That's the driving distance. It would take 1 day 13 hours to go from San Mateo, California to Elmwood Park, Illinois.
The flight distance (direct flight from San Mateo, CA to Elmwood Park, IL) is 1,845.61 mi.
2,144 mi = 3.22 kms