Mammoth Cave National Park is about 1.2 times smaller than Saint Kitts and Nevis.

Saint Kitts and Nevis is approximately 261 sq km, while Mammoth Cave National Park is approximately 219 km² (84 sq mi), making Mammoth Cave National Park 83.75% the size of Saint Kitts and Nevis.
Tip: This to-scale comparison of Saint Kitts and Nevis vs. Mammoth Cave National Park uses the Mercator projection, which distorts the size of regions near the poles.

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