Indonesia is 330 times larger than Brunei.
Area: 5,765 km2 World Factbook
Population: 422,675 (July 2014) World Factbook
Brunei, broo-NY or broo-NAY; officially the Nation of Brunei, the Abode of Peace, is a sovereign state located on the north coast of the island of Borneo in Southeast Asia. Wikipedia
Area: 1,904,569 km2 World Factbook
Population: 253,609,643 (July 2014) World Factbook
Indonesia, officially the Republic of Indonesia, is a sovereign state in Southeast Asia and Oceania. Indonesia is an archipelago comprising 13,466 islands. Wikipedia