British Indian Ocean Territory is about 1.2 times bigger than Bouvet Island.

Bouvet Island is approximately 49 sq km, while British Indian Ocean Territory is approximately 60 sq km, making British Indian Ocean Territory 22% larger than Bouvet Island.
Tip: This to-scale comparison of Bouvet Island vs. British Indian Ocean Territory uses the Mercator projection, which distorts the size of regions near the poles.

Compare further: British Indian Ocean Territory vs. Bouvet Island

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