Staten Island is about 1.5 times smaller than Mammoth Cave National Park.

Mammoth Cave National Park is approximately 219 km² (84 sq mi), while Staten Island is approximately 150 km² (58 sq mi), making Staten Island 68.55% the size of Mammoth Cave National Park.
Tip: This to-scale comparison of Mammoth Cave National Park vs. Staten Island uses the Mercator projection, which distorts the size of regions near the poles.

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