Yosemite National Park is about 1.2 times smaller than Long Island.

Long Island is approximately 3,566 km² (1,377 sq mi), while Yosemite National Park is approximately 3,027 km² (1,169 sq mi), making Yosemite National Park 84.89% the size of Long Island.
Tip: This to-scale comparison of Long Island vs. Yosemite National Park uses the Mercator projection, which distorts the size of regions near the poles.
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