There are
1,976 mi
from Oswego, IL to Pasadena, CA
That's the driving distance. It would take 1 day 10 hours to go from Oswego, Illinois to Pasadena, California.
The flight distance (direct flight from Oswego, IL to Pasadena, CA) is 1,695.58 mi.
1,976 mi = 3,179.61 kms