- Oregon, Oregon, United States, (Administrative Boundary)9
- Corvallis, Oregon, United States, (Populated Place)5
- Willamette River, Oregon, United States, (Hydrographic)4
- Fort Hoskins Historic County Park, Oregon, United States, (Area)2
- Fort Yamhill (historical), Oregon, United States, (Spot)2
- Galapagos Islands, Galápagos, Ecuador, (Hypsographic)2
- Great Basin, , United States, (Hypsographic)2
- Malheur, Oregon, United States, (Administrative Boundary)2
- Netarts Bay, Oregon, United States, (Hydrographic)2
- New Zealand, , New Zealand, (Administrative Boundary)2
- Puget Sound, Kitsap County, Washington, United States2
- Willamette Valley, Oregon, United States, (Hypsographic)2
- Agency Lake, Oregon, United States, (Hydrographic)1
- Alaska, Alaska, United States, (Administrative Boundary)1
- Almeria, Andalusia, Spain, (Administrative Boundary)1
- Alsea Bay, Oregon, United States, (Hydrographic)1
- Antioquia, Antioquia, Colombia, (Administrative Boundary)1
- Arctic Ocean, , (Hydrographic)1
- Ashland, Oregon, United States, (Populated Place)1
- Baja California, Baja California, Mexico, (Administrative Boundary)1