- Corvallis, Oregon, United States, (Populated Place)3
- Willamette Valley, Oregon, United States, (Hypsographic)3
- Nigeria, , Nigeria, (Administrative Boundary)2
- Oregon, Oregon, United States, (Administrative Boundary)2
- Puget Sound, Kitsap County, Washington, United States2
- Willamette River, Oregon, United States, (Hydrographic)2
- Ashland, Oregon, United States, (Populated Place)1
- Baker, Oregon, United States, (Administrative Boundary)1
- Bridgeport, Town of Bridgeport, Fairfield County, Connecticut, United States1
- Canaan, Town of North Canaan, Litchfield County, Connecticut, United States1
- Champoeg, Oregon, United States, (Populated Place)1
- City of Corvallis, Oregon, United States, (Administrative Boundary)1
- Clackamas, Oregon, United States, (Administrative Boundary)1
- Crater Lake National Park, Oregon, United States, (Area)1
- Ebey's Landing National Historical Reserve, Island County, Washington, United States1
- Fort Yamhill (historical), Oregon, United States, (Spot)1
- Glacier Bay National Park and Preserve, Alaska, United States, (Area)1
- Grays Harbor, Washington, United States, (Administrative Boundary)1
- Ho Chi Minh City, Ho Chi Minh, Vietnam, (Populated Place)1
- Hood River, Oregon, United States, (Administrative Boundary)1