Montana is a state in the Northwestern United States. It is bordered by the Canadian provinces of Alberta, British Columbia, and Saskatchewan to the north; Idaho to the west; North Dakota and South Dakota to the east; and Wyoming to the south. It is the fourth-largest state by area, the eighth-least populous state, and the third-least densely populated state. The western half of Montana contains numerous mountain ranges, while the eastern half is characterized by western prairie terrain and badlands, with more (albeit smaller) mountain ranges found throughout the state.

Rhode Island, officially the State of Rhode Island is a state in the New England region of the United States. It is the smallest U.S. state by area and the seventh least populous (1,059,361 as of 2019), but it is also the second most densely populated behind New Jersey. The state has land borders with Connecticut to the west, Massachusetts to the north and east, and the Atlantic Ocean to the south via Rhode Island Sound and Block Island Sound. It also shares a small maritime border with New York.