Myanmar is 329 times larger than Yongcheng (China).
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
Area: 2,053 km2 calculated
Yongcheng is a county-level city in Shangqiu, Henan, in the People's Republic of China. It is the former site of Shiyuan, the capital of Han-era Liang. It includes the excavated mausoleum of the fabulously wealthy Liu Wu, prince of Liang, now a museum famed for its murals. Wikipedia