Portugal is about 520 times bigger than District of Columbia.

District of Columbia is approximately 177 sq km, while Portugal is approximately 92,090 sq km, making Portugal 51,928% larger than District of Columbia. Meanwhile, the population of District of Columbia is ~601,723 people (9.6 million more people live in Portugal).
Tip: This to-scale comparison of District of Columbia vs. Portugal uses the Mercator projection, which distorts the size of regions near the poles.
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