Nigeria is about 5,219 times bigger than District of Columbia.

District of Columbia is approximately 177 sq km, while Nigeria is approximately 923,768 sq km, making Nigeria 521,803% larger than District of Columbia. Meanwhile, the population of District of Columbia is ~601,723 people (224.5 million more people live in Nigeria).
Tip: This to-scale comparison of District of Columbia vs. Nigeria uses the Mercator projection, which distorts the size of regions near the poles.
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