There are
2,123 mi
from San Mateo, CA to Pontiac, IL
That's the driving distance. It would take 1 day 12 hours to go from San Mateo, California to Pontiac, Illinois.
The flight distance (direct flight from San Mateo, CA to Pontiac, IL) is 1,806.90 mi.
2,123 mi = 3.22 kms