There are
2,072 mi
from St Charles, IL to Gresham, OR
That's the driving distance. It would take 1 day 11 hours to go from St Charles, Illinois to Gresham, Oregon.
The flight distance (direct flight from St Charles, IL to Gresham, OR) is 1,708.77 mi.
2,072 mi = 3,334.26 kms