- Corvallis, Oregon, United States, (Populated Place)9
- Oregon, Oregon, United States, (Administrative Boundary)7
- Willamette Valley, Oregon, United States, (Hypsographic)6
- Willamette Valley, Multnomah County, Oregon, United States4
- H J Andrews Experimental Forest, Oregon, United States, (Vegetation)3
- Baja California, Baja California, Mexico, (Administrative Boundary)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
- Malheur, Oregon, United States, (Administrative Boundary)2
- Nepal, , Nepal, (Administrative Boundary)2
- New Zealand, , New Zealand, (Administrative Boundary)2
- Portland, Oregon, United States, (Populated Place)2
- William L Finley National Wildlife Refuge, Oregon, United States, (Area)2
- Alaska, Alaska, United States, (Administrative Boundary)1
- Arctic Ocean, , (Hydrographic)1
- Astoria, Oregon, United States, (Populated Place)1
- Bridgeport, Town of Bridgeport, Fairfield County, Connecticut, United States1
- Burial Lake, Alaska, United States, (Hydrographic)1
- California, California, United States, (Administrative Boundary)1