There are
2,098 mi
from Oswego, IL to Alameda, CA
That's the driving distance. It would take 1 day 12 hours to go from Oswego, Illinois to Alameda, California.
The flight distance (direct flight from Oswego, IL to Alameda, CA) is 1,809.35 mi.
2,098 mi = 3,376.83 kms