- Oregon, Oregon, United States, (Administrative Boundary)4
- Willamette Valley, Multnomah County, Oregon, United States3
- Willamette Valley, Oregon, United States, (Hypsographic)3
- Carbon, Wyoming, United States, (Administrative Boundary)2
- Corvallis, Oregon, United States, (Populated Place)2
- Nepal, , Nepal, (Administrative Boundary)2
- Puget Sound, Kitsap County, Washington, United States2
- Wyoming, Wyoming, United States, (Administrative Boundary)2
- Yaquina Bay, Oregon, United States, (Hydrographic)2
- Arctic Ocean, , (Hydrographic)1
- Baja California, Baja California, Mexico, (Administrative Boundary)1
- Baker, Oregon, United States, (Administrative Boundary)1
- Brazil, , Brazil, (Administrative Boundary)1
- Burial Lake, Alaska, United States, (Hydrographic)1
- Champoeg, Oregon, United States, (Populated Place)1
- Clackamas, Oregon, United States, (Administrative Boundary)1
- Colón, Colón, Panama, (Populated Place)1
- Coos Bay Estuary, Oregon, United States, (Hydrographic)1
- Ebey's Landing National Historical Reserve, Island County, Washington, United States1
- Fort Yamhill (historical), Oregon, United States, (Spot)1