- Corvallis, Oregon, United States, (Populated Place)10
- Oregon, Oregon, United States, (Administrative Boundary)10
- Willamette Valley, Oregon, United States, (Hypsographic)4
- H J Andrews Experimental Forest, Oregon, United States, (Vegetation)3
- Portland, Oregon, United States, (Populated Place)3
- Willamette River, Oregon, United States, (Hydrographic)3
- Alaska, Alaska, United States, (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
- Malheur, Oregon, United States, (Administrative Boundary)2
- Nepal, , Nepal, (Administrative Boundary)2
- Nigeria, , Nigeria, (Administrative Boundary)2
- Pacific Northwest, , United States, (Area)2
- Upper Klamath Lake, Oregon, United States, (Hydrographic)2
- William L Finley National Wildlife Refuge, Oregon, United States, (Area)2
- Accra, Greater Accra, Ghana, (Populated Place)1
- Agency Lake, Oregon, United States, (Hydrographic)1
- Amity, Oregon, United States, (Populated Place)1
- Arctic Ocean, , (Hydrographic)1