There are
2,042 mi
from Schaumburg, IL to Poway, CA
That's the driving distance. It would take 1 day 12 hours to go from Schaumburg, Illinois to Poway, California.
The flight distance (direct flight from Schaumburg, IL to Poway, CA) is 1,696.15 mi.
2,042 mi = 3,286.38 kms