Vietnam is about 1.5 times smaller than Turkmenistan.

Turkmenistan is approximately 488,100 sq km, while Vietnam is approximately 331,210 sq km, making Vietnam 67.86% the size of Turkmenistan. Meanwhile, the population of Turkmenistan is ~5.6 million people (98.2 million more people live in Vietnam).
This to-scale comparison of Turkmenistan vs. Vietnam uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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