Days Inn of Oacoma/Chamberlain is located on the Missouri River, where the west begins. Surrounded by buttes, the view from the buttes looking down on the wide Missouri River is breathtaking. The city offers Museums of the old west and Indian Cultures. 150 miles from the Badlands and 205 miles from Mt. Rushmore. Days Inn of Oacoma/Chamberlain will please you from the time you pull in to the parking lot to the time you pull away. You cannot go wrong we guarantee you will be happy.