Hawaii is about 2.5 times smaller than Switzerland.

Switzerland is approximately 41,277 sq km, while Hawaii is approximately 16,635 sq km, making Hawaii 40.3% the size of Switzerland. Meanwhile, the population of Switzerland is ~8.5 million people (7.1 million fewer people live in Hawaii).
Tip: This to-scale comparison of Switzerland vs. Hawaii uses the Mercator projection, which distorts the size of regions near the poles.
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