There are
2,026 mi
from Schaumburg, IL to Seatac, WA
That's the driving distance. It would take 1 day 11 hours to go from Schaumburg, Illinois to Seatac, Washington.
The flight distance (direct flight from Schaumburg, IL to Seatac, WA) is 1,706.77 mi.
2,026 mi = 3.22 kms