Ho Chi Minh City is about 16 times bigger than Wichita.

Wichita (map shows its 73 named neighbourhoods; the area covers the whole city) is approximately 428 sq km, while Ho Chi Minh City is approximately 6,773 sq km, making Ho Chi Minh City 1,484% larger than Wichita.
Tip: This to-scale comparison of Wichita vs. Ho Chi Minh City 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.