Oregon is a state in the Pacific Northwest of the United States. It is bordered on its west by the Pacific Ocean, north by Washington, south by California, east by Idaho, and southeast by Nevada. The Columbia River delineates much of Oregon's northern boundary, the Snake River largely its eastern. Wikipedia

Pennsylvania, officially the Commonwealth of Pennsylvania, is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States, and the Great Lakes region. Wikipedia