British Indian Ocean Territory is about 4.3 times smaller than Saint Kitts and Nevis.

Saint Kitts and Nevis is approximately 261 sq km, while British Indian Ocean Territory is approximately 60 sq km, making British Indian Ocean Territory 22.99% the size of Saint Kitts and Nevis.
Tip: This to-scale comparison of Saint Kitts and Nevis vs. British Indian Ocean Territory uses the Mercator projection, which distorts the size of regions near the poles.

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