Bhutan is about 640 times bigger than British Indian Ocean Territory.

British Indian Ocean Territory is approximately 60 sq km, while Bhutan is approximately 38,394 sq km, making Bhutan 63,890% larger than British Indian Ocean Territory. Meanwhile, the population of British Indian Ocean Territory is ~3,000 people (793,682 more people live in Bhutan).
Tip: This to-scale comparison of British Indian Ocean Territory vs. Bhutan uses the Mercator projection, which distorts the size of regions near the poles.
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