Costa Rica is about 289 times bigger than District of Columbia.

District of Columbia is approximately 177 sq km, while Costa Rica is approximately 51,100 sq km, making Costa Rica 28,770% larger than District of Columbia. Meanwhile, the population of District of Columbia is ~601,723 people (4.6 million more people live in Costa Rica).
Tip: This to-scale comparison of District of Columbia vs. Costa Rica uses the Mercator projection, which distorts the size of regions near the poles.
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