Fort Lauderdale is about 75 times smaller than Ho Chi Minh City.

Ho Chi Minh City is approximately 6,773 sq km, while Fort Lauderdale (excluding the city's 9.9 sq km of water area) is approximately 90 sq km, making Fort Lauderdale 1.33% the size of Ho Chi Minh City.
Tip: This to-scale comparison of Ho Chi Minh City vs. Fort Lauderdale uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.