New Mexico is a state in the Southwestern region of the United States of America. It is one of the Mountain States and shares the Four Corners region with Utah, Colorado, and Arizona. New Mexico is also bordered by the state of Texas to the east-southeast, Oklahoma to the northeast, and the Mexican states of Chihuahua to the south and Sonora to the southwest. With an estimated population of 2,096,829 as of the July 1, 2019, U.S. Census Bureau estimate, New Mexico is the 36th largest state by population. With a total area of 121,590 sq mi (314,900 km2), it is the fifth-largest and sixth-least densely populated of the 50 states.

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.