There are
1,930 mi
from Aurora, IL to Ellensburg, WA
That's the driving distance. It would take 1 day 9 hours to go from Aurora, Illinois to Ellensburg, Washington.
The flight distance (direct flight from Aurora, IL to Ellensburg, WA) is 1,619.87 mi.
1,930 mi = 3,106.28 kms