There are
2,150 mi
from Mt Prospect, IL to Cornelius, OR
That's the driving distance. It would take 1 day 13 hours to go from Mt Prospect, Illinois to Cornelius, Oregon.
The flight distance (direct flight from Mt Prospect, IL to Cornelius, OR) is 1,753.67 mi.
2,150 mi = 3,460.85 kms