The Empire Builer is a passenger train route operated by Amtrak in the Midwestern and Northwestern United States. Before Amtrak, the Empire Builder was operated by the Great Northern Railway. The train was Great Northern's flagship. The current route runs from Chicago, Illinois to the Pacific Northwest. The line splits in Spokane, Washington, terminating at Seattle, Washington's King Street Station (2,206 miles, or 3,550km from Chicago) in the north or Portland, Oregon's Union Station (2,257 miles, or 3,632 km from Chicago) in the south.