Mali is about 7,007 times bigger than District of Columbia.

District of Columbia is approximately 177 sq km, while Mali is approximately 1,240,192 sq km, making Mali 700,573% larger than District of Columbia. Meanwhile, the population of District of Columbia is ~601,723 people (20.1 million more people live in Mali).
Tip: This to-scale comparison of District of Columbia vs. Mali 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.