British Indian Ocean Territory is about 20,318 times smaller than South Africa.

South Africa is approximately 1,219,090 sq km, while British Indian Ocean Territory is approximately 60 sq km, making British Indian Ocean Territory 0.0% the size of South Africa.
Tip: This to-scale comparison of South Africa 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. South Africa

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