- Oregon, Oregon, United States, (Administrative Boundary)6
- Corvallis, Oregon, United States, (Populated Place)4
- Puget Sound, Kitsap County, Washington, United States2
- Willamette Valley, Oregon, United States, (Hypsographic)2
- Alsea Bay, Oregon, United States, (Hydrographic)1
- Alsea River, Oregon, United States, (Hydrographic)1
- Baja California, Baja California, Mexico, (Administrative Boundary)1
- Carbon, Wyoming, United States, (Administrative Boundary)1
- Cascade Range, Oregon, United States, (Hypsographic)1
- Champoeg, Oregon, United States, (Populated Place)1
- City of Corvallis, Oregon, United States, (Administrative Boundary)1
- City of Unalaska, Alaska, United States1
- Coachella Valley, California, United States, (Populated Place)1
- Colón, Colón, Panama, (Populated Place)1
- Coos Bay Estuary, Oregon, United States, (Hydrographic)1
- Coos, Oregon, United States, (Administrative Boundary)1
- Crater Lake National Park, Oregon, United States, (Area)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