- Oregon, Oregon, United States, (Administrative Boundary)16
- Corvallis, Oregon, United States, (Populated Place)7
- Willamette Valley, Oregon, United States, (Hypsographic)7
- Nepal, , Nepal, (Administrative Boundary)3
- Willamette River, Oregon, United States, (Hydrographic)3
- Alaska, Alaska, United States, (Administrative Boundary)2
- Alsea River, Oregon, United States, (Hydrographic)2
- Benton, Oregon, United States, (Administrative Boundary)2
- Fort Hoskins Historic County Park, Oregon, United States, (Area)2
- Fort Yamhill (historical), Oregon, United States, (Spot)2
- Galapagos Islands, Galápagos, Ecuador, (Hypsographic)2
- H J Andrews Experimental Forest, Oregon, United States, (Vegetation)2
- Malheur, Oregon, United States, (Administrative Boundary)2
- Portland, Oregon, United States, (Populated Place)2
- Puget Sound, Kitsap County, Washington, United States2
- Upper Klamath Lake, Oregon, United States, (Hydrographic)2
- Yaquina Bay, Oregon, United States, (Hydrographic)2
- Agency Lake, Oregon, United States, (Hydrographic)1
- Alsea Bay, Oregon, United States, (Hydrographic)1
- Arctic Ocean, , (Hydrographic)1