Complex sentence: Riley, Oregon is an unincorporated small town in Harney County, Oregon, United States, located at the crossroads of U.S. Highway 395 and U.S. Highway 20, milepost 104, about west of Burns, the seat of Harney County.
Split into simpler sentences: Riley, Oregon is an unincorporated community in Harney County, Oregon, United States. Riley is about west of Burns, the seat of Harney County.