- Oregon, Oregon, United States, (Administrative Boundary)19
- Corvallis, Oregon, United States, (Populated Place)17
- Willamette Valley, Oregon, United States, (Hypsographic)7
- Portland, Oregon, United States, (Populated Place)5
- Willamette River, Oregon, United States, (Hydrographic)5
- Alsea River, Oregon, United States, (Hydrographic)3
- Benton, Oregon, United States, (Administrative Boundary)3
- Galapagos Islands, Galápagos, Ecuador, (Hypsographic)3
- H J Andrews Experimental Forest, Oregon, United States, (Vegetation)3
- Nepal, , Nepal, (Administrative Boundary)3
- Willamette Valley, Multnomah County, Oregon, United States3
- Alaska, Alaska, United States, (Administrative Boundary)2
- Arctic Ocean, , (Hydrographic)2
- Baja California, Baja California, Mexico, (Administrative Boundary)2
- Chile, , Chile, (Administrative Boundary)2
- Fort Hoskins Historic County Park, Oregon, United States, (Area)2
- Fort Yamhill (historical), Oregon, United States, (Spot)2
- Ghana, , Ghana, (Administrative Boundary)2
- Glacier Bay National Park and Preserve, Alaska, United States, (Area)2
- Halsey, Linn County, Oregon, United States2