There are
2,031 mi
from Macomb, IL to Cornelius, OR
That's the driving distance. It would take 1 day 11 hours to go from Macomb, Illinois to Cornelius, Oregon.
The flight distance (direct flight from Macomb, IL to Cornelius, OR) is 1,661.89 mi.
2,031 mi = 3,269.07 kms