There are
1,950 mi
from San Bernardino, CA to Downers Grove, IL
That's the driving distance. It would take 1 day 10 hours to go from San Bernardino, California to Downers Grove, Illinois.
The flight distance (direct flight from San Bernardino, CA to Downers Grove, IL) is 1,671.86 mi.
1,950 mi = 1.61 kms