Washington is about 6 times bigger than Belgium.

Belgium is approximately 30,528 sq km, while Washington is approximately 172,348 sq km, making Washington 465% larger than Belgium. Meanwhile, the population of Belgium is ~11.9 million people (3.9 million fewer people live in Washington).
Tip: This to-scale comparison of Belgium vs. Washington uses the Mercator projection, which distorts the size of regions near the poles.
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