- Oregon, Oregon, United States, (Administrative Boundary)6
- Willamette River, Oregon, United States, (Hydrographic)4
- Alsea River, Oregon, United States, (Hydrographic)3
- Benton, Oregon, United States, (Administrative Boundary)3
- Willamette Valley, Oregon, United States, (Hypsographic)2
- Alsea Bay, Oregon, United States, (Hydrographic)1
- Amity, Oregon, United States, (Populated Place)1
- Arthur Harbor, , Antarctica, (Hydrographic)1
- Ashland, Oregon, United States, (Populated Place)1
- Baker, Oregon, United States, (Administrative Boundary)1
- Chetco River Estuary, Oregon, United States, (Hydrographic)1
- City of Corvallis, Oregon, United States, (Administrative Boundary)1
- Clackamas, Oregon, United States, (Administrative Boundary)1
- Coos Bay Estuary, Oregon, United States, (Hydrographic)1
- Coos Bay, Oregon, United States, (Hydrographic)1
- Coquille River Estuary, Oregon, United States, (Hydrographic)1
- Corvallis, Oregon, United States, (Populated Place)1
- Denman Island, British Columbia, Canada, (Hypsographic)1
- Duke Point, British Columbia, Canada, (Hypsographic)1
- Easter Island, Valparaíso, Chile, (Hypsographic)1