Size comparison

compared to

Pentagon is about 21 times smaller than Monaco.

Monaco is approximately 2 sq km, while Pentagon is approximately 0.096 km² (0.037 sq mi), making Pentagon 4.79% the size of Monaco.
Tip: This to-scale comparison of Monaco vs. Pentagon uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Pentagon vs. Monaco

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See Pentagon on top of Monaco
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