There are
2,124 mi
from San Mateo, CA to Bartlett, IL
That's the driving distance. It would take 1 day 12 hours to go from San Mateo, California to Bartlett, Illinois.
The flight distance (direct flight from San Mateo, CA to Bartlett, IL) is 1,826.10 mi.
2,124 mi = 3.22 kms