Myanmar is 18 times larger than Bhutan.
Area: 38,394 km2 World Factbook
Population: 733,643 (July 2014) World Factbook
Bhutan, officially the Kingdom of Bhutan, is a landlocked country in South Asia located at the eastern end of the Himalayas. It is bordered to the north by China and to the south, east and west by India. Wikipedia
Area: 676,578 km2 World Factbook
Population: 55,746,253 (July 2014) World Factbook
Burma, officially the Republic of the Union of Myanmar, commonly shortened to Myanmar, is a sovereign state in Southeast Asia bordered by Laos, Thailand, China, Bangladesh, and India. Wikipedia