Nauru is 2,404 times larger than John Marshall.
Area: 21 km2 World Factbook
Population: 9,488 (July 2014) World Factbook
Nauru, officially the Republic of Nauru and formerly known as Pleasant Island, is an island country in Micronesia in the South Pacific. Its nearest neighbour is Banaba Island in Kiribati, 300 kilometres to the east. Wikipedia
Area: 0 km2 calculated
John Marshall was the fourth Chief Justice of the Supreme Court of the United States. His court opinions helped lay the basis for United States constitutional law and made the Supreme Court of the United States a coequal branch of government along with the legislative and executive branches. Wikipedia