Miles between San Mateo, CA and Dekalb, IL

There are
2,089 mi
from San Mateo, CA to Dekalb, IL

That's the driving distance. It would take 1 day 11 hours to go from San Mateo, California to Dekalb, Illinois.

The flight distance (direct flight from San Mateo, CA to Dekalb, IL) is 1,797.23 mi.

2,089 mi = 3.22 kms