Colorado Springs is about 13 times smaller than Ho Chi Minh City.

Ho Chi Minh City is approximately 6,773 sq km, while Colorado Springs (map shows its 11 named neighbourhoods; the area covers the whole city) is approximately 523 sq km, making Colorado Springs 7.73% the size of Ho Chi Minh City.
Tip: This to-scale comparison of Ho Chi Minh City vs. Colorado Springs 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.