Complex sentence: Riley, Oregon is a small, unincorporated community located in Harney County, Oregon, about 28 miles west of the county seat Burns, at the confluence of Highways 395 and 20.
Split into simpler sentences: Riley, Oregon is an unincorporated community located in Harney County, Oregon, United States. Riley is about 28 miles west of the county seat Burns, at the crossroads of Highways 395 and 20.