- Brazil, , Brazil, (Administrative Boundary)1
- Burial Lake, Alaska, United States, (Hydrographic)1
- California, California, United States, (Administrative Boundary)1
- Carbon, Wyoming, United States, (Administrative Boundary)1
- Champoeg, Oregon, United States, (Populated Place)1
- Clackamas, Oregon, United States, (Administrative Boundary)1
- Coachella Valley, California, United States, (Populated Place)1
- Colón, Colón, Panama, (Populated Place)1
- Coos Bay Estuary, Oregon, United States, (Hydrographic)1
- Coos Bay, Oregon, United States, (Hydrographic)1
- Coos, Oregon, United States, (Administrative Boundary)1
- Coquille River Estuary, Oregon, United States, (Hydrographic)1
- Crater Lake National Park, Oregon, United States, (Area)1
- Deschutes, Oregon, United States, (Administrative Boundary)1
- Duke Point, British Columbia, Canada, (Hypsographic)1
- Easter Island, Valparaíso, Chile, (Hypsographic)1
- Ebey's Landing National Historical Reserve, Island County, Washington, United States1
- Elson Lagoon, Alaska, United States, (Hydrographic)1
- Fort Yamhill (historical), Oregon, United States, (Spot)1
- Fremont National Forest, Oregon, United States, (Vegetation)1