- Oregon, Oregon, United States, (Administrative Boundary)12
- Corvallis, Oregon, United States, (Populated Place)10
- Willamette Valley, Oregon, United States, (Hypsographic)8
- Willamette River, Oregon, United States, (Hydrographic)4
- Galapagos Islands, Galápagos, Ecuador, (Hypsographic)3
- Alaska, Alaska, United States, (Administrative Boundary)2
- Baja California, Baja California, Mexico, (Administrative Boundary)2
- Benton, Oregon, United States, (Administrative Boundary)2
- Fort Yamhill (historical), Oregon, United States, (Spot)2
- Glacier Bay National Park and Preserve, Alaska, United States, (Area)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
- Pacific Northwest, , United States, (Area)2
- Portland, Oregon, United States, (Populated Place)2
- Puget Sound, Kitsap County, Washington, United States2
- Upper Klamath Lake, Oregon, United States, (Hydrographic)2
- William L Finley National Wildlife Refuge, Oregon, United States, (Area)2
- Agency Lake, Oregon, United States, (Hydrographic)1