- Oregon, Oregon, United States, (Administrative Boundary)20
- Corvallis, Oregon, United States, (Populated Place)16
- Willamette Valley, Oregon, United States, (Hypsographic)9
- Willamette Valley, Multnomah County, Oregon, United States5
- Portland, Oregon, United States, (Populated Place)4
- Willamette River, Oregon, United States, (Hydrographic)4
- Galapagos Islands, Galápagos, Ecuador, (Hypsographic)3
- H J Andrews Experimental Forest, Oregon, United States, (Vegetation)3
- Nepal, , Nepal, (Administrative Boundary)3
- William L Finley National Wildlife Refuge, Oregon, United States, (Area)3
- Alaska, Alaska, United States, (Administrative Boundary)2
- Arctic Ocean, , (Hydrographic)2
- Baja California, Baja California, Mexico, (Administrative Boundary)2
- Benton, Oregon, United States, (Administrative Boundary)2
- Carbon, Wyoming, United States, (Administrative Boundary)2
- Eastern Oregon, Oregon, United States, (Area)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