- Oregon, Oregon, United States, (Administrative Boundary)4
- Corvallis, Oregon, United States, (Populated Place)3
- Willamette Valley, Oregon, United States, (Hypsographic)3
- Fort Yamhill (historical), Oregon, United States, (Spot)2
- Great Basin, , United States, (Hypsographic)2
- New Zealand, , New Zealand, (Administrative Boundary)2
- Puget Sound, Kitsap County, Washington, United States2
- Willamette River, Oregon, United States, (Hydrographic)2
- Alsea River, Oregon, United States, (Hydrographic)1
- Arctic Ocean, , (Hydrographic)1
- Baja California, Baja California, Mexico, (Administrative Boundary)1
- Champoeg, Oregon, United States, (Populated Place)1
- Easter Island, Valparaíso, Chile, (Hypsographic)1
- Ebey's Landing National Historical Reserve, Island County, Washington, United States1
- Fort Hoskins Historic County Park, Oregon, United States, (Area)1
- Ghana, , Ghana, (Administrative Boundary)1
- Grays Harbor, Washington, United States, (Administrative Boundary)1
- Hood River, Oregon, United States, (Administrative Boundary)1
- Ka‘ū District, Hawaii, United States, (Administrative Boundary)1
- Malheur, Oregon, United States, (Administrative Boundary)1