There are
2,047 mi
from St Charles, MO to Newberg, OR
That's the driving distance. It would take 1 day 11 hours to go from St Charles, Missouri to Newberg, Oregon.
The flight distance (direct flight from St Charles, MO to Newberg, OR) is 1,712.50 mi.
2,047 mi = 3,293.51 kms