Ho Chi Minh City is about 33 times bigger than Buenos Aires.

Buenos Aires is approximately 203 sq km, while Ho Chi Minh City is approximately 6,773 sq km, making Ho Chi Minh City 3,231% larger than Buenos Aires.
Tip: This to-scale comparison of Buenos Aires vs. Ho Chi Minh City uses the Mercator projection, which distorts the size of regions near the poles.
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