Miles between San Mateo, CA and Romeoville, IL

There are
2,133 mi
from San Mateo, CA to Romeoville, IL

That's the driving distance. It would take 1 day 12 hours to go from San Mateo, California to Romeoville, Illinois.

The flight distance (direct flight from San Mateo, CA to Romeoville, IL) is 1,831.97 mi.

2,133 mi = 3.22 kms