There are
2,120 mi
from Champaign, IL to Milwaukie, OR
That's the driving distance. It would take 1 day 12 hours to go from Champaign, Illinois to Milwaukie, Oregon.
The flight distance (direct flight from Champaign, IL to Milwaukie, OR) is 1,768.45 mi.
2,120 mi = 3.22 kms