Sacramento is about 27 times smaller than Ho Chi Minh City.

Ho Chi Minh City is approximately 6,773 sq km, while Sacramento is approximately 253 sq km, making Sacramento 3.74% the size of Ho Chi Minh City.
Tip: This to-scale comparison of Ho Chi Minh City vs. Sacramento uses the Mercator projection, which distorts the size of regions near the poles.
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