Oklahoma is about 2.7 times bigger than Sri Lanka.

Sri Lanka is approximately 65,610 sq km, while Oklahoma is approximately 177,847 sq km, making Oklahoma 171% larger than Sri Lanka. Meanwhile, the population of Sri Lanka is ~23.2 million people (19.4 million fewer people live in Oklahoma).
This to-scale comparison of Sri Lanka vs. Oklahoma uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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