- Oregon, Oregon, United States, (Administrative Boundary)6
- Carbon, Wyoming, United States, (Administrative Boundary)2
- Eastern Oregon, Oregon, United States, (Area)2
- Willamette Valley, Oregon, United States, (Hypsographic)2
- Wyoming, Wyoming, United States, (Administrative Boundary)2
- Alsea River, Oregon, United States, (Hydrographic)1
- Ashland, Oregon, United States, (Populated Place)1
- Baker, Oregon, United States, (Administrative Boundary)1
- Clackamas, Oregon, United States, (Administrative Boundary)1
- Coos Bay Estuary, Oregon, United States, (Hydrographic)1
- Great Basin, , United States, (Hypsographic)1
- Morrow, Oregon, United States, (Administrative Boundary)1
- Necanicum River Estuary, Oregon, United States, (Hydrographic)1
- Necanicum River, Oregon, United States, (Hydrographic)1
- Nestucca River Estuary, Oregon, United States, (Hydrographic)1
- Netarts Bay Estuary, Oregon, United States, (Hydrographic)1
- Netarts Bay, Oregon, United States, (Hydrographic)1
- Oregon Coast, Oregon, United States, (Area)1
- Siletz River Estuary, Oregon, United States, (Hydrographic)1
- South Fork Alsea River, Oregon, United States, (Hydrographic)1