There are
2,104 mi
from Champaign, IL to Sammamish, WA
That's the driving distance. It would take 1 day 12 hours to go from Champaign, Illinois to Sammamish, Washington.
The flight distance (direct flight from Champaign, IL to Sammamish, WA) is 1,747.73 mi.
2,104 mi = 3.22 kms