Tennessee is about 1,779 times bigger than British Indian Ocean Territory.

British Indian Ocean Territory is approximately 60 sq km, while Tennessee is approximately 106,752 sq km, making Tennessee 177,820% larger than British Indian Ocean Territory. Meanwhile, the population of British Indian Ocean Territory is ~3,000 people (7.3 million more people live in Tennessee).
Tip: This to-scale comparison of British Indian Ocean Territory vs. Tennessee uses the Mercator projection, which distorts the size of regions near the poles.

Compare further: Tennessee vs. British Indian Ocean Territory

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