- Oregon, Oregon, United States, (Administrative Boundary)3
- Champoeg, Oregon, United States, (Populated Place)1
- Fort Yamhill (historical), Oregon, United States, (Spot)1
- Great Basin, , United States, (Hypsographic)1
- H J Andrews Experimental Forest, Oregon, United States, (Vegetation)1
- New Zealand, , New Zealand, (Administrative Boundary)1
- Nigeria, , Nigeria, (Administrative Boundary)1
- Oregon Coast, Oregon, United States, (Area)1
- Philomath, Oregon, United States, (Populated Place)1
- Willamette River, Oregon, United States, (Hydrographic)1
- Willamette Valley, Oregon, United States, (Hypsographic)1