Boston is about 2.1 times smaller than Saint Kitts and Nevis.

Saint Kitts and Nevis is approximately 261 sq km, while Boston is approximately 124 sq km, making Boston 47.51% the size of Saint Kitts and Nevis.
Tip: This to-scale comparison of Saint Kitts and Nevis vs. Boston uses the Mercator projection, which distorts the size of regions near the poles.
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