Luxembourg is about 1.2 times smaller than Yosemite National Park.

Yosemite National Park is approximately 3,027 km² (1,169 sq mi), while Luxembourg is approximately 2,586 sq km, making Luxembourg 85.43% the size of Yosemite National Park.
Tip: This to-scale comparison of Yosemite National Park vs. Luxembourg uses the Mercator projection, which distorts the size of regions near the poles.
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