There are
2,001 mi
from Folsom, CA to Oswego, IL
That's the driving distance. It would take 1 day 10 hours to go from Folsom, California to Oswego, Illinois.
The flight distance (direct flight from Folsom, CA to Oswego, IL) is 1,734.56 mi.
2,001 mi = 3,220.80 kms