There are
2,139 mi
from San Mateo, CA to La Grange, IL
That's the driving distance. It would take 1 day 12 hours to go from San Mateo, California to La Grange, Illinois.
The flight distance (direct flight from San Mateo, CA to La Grange, IL) is 1,842.84 mi.
2,139 mi = 3.22 kms