Turkmenistan is about 8,135 times bigger than British Indian Ocean Territory.

British Indian Ocean Territory is approximately 60 sq km, while Turkmenistan is approximately 488,100 sq km, making Turkmenistan 813,400% larger than British Indian Ocean Territory. Meanwhile, the population of British Indian Ocean Territory is ~3,000 people (7.6 million more people live in Turkmenistan).
Tip: This to-scale comparison of British Indian Ocean Territory vs. Turkmenistan uses the Mercator projection, which distorts the size of regions near the poles.

Compare further: Turkmenistan vs. British Indian Ocean Territory

Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.