There are
2,043 mi
from Aurora, IL to Seatac, WA
That's the driving distance. It would take 1 day 11 hours to go from Aurora, Illinois to Seatac, Washington.
The flight distance (direct flight from Aurora, IL to Seatac, WA) is 1,703.59 mi.
2,043 mi = 3,288.57 kms