Oklahoma is about 3.7 times smaller than Afghanistan.

Afghanistan is approximately 652,230 sq km, while Oklahoma is approximately 177,847 sq km, making Oklahoma 27.27% the size of Afghanistan. Meanwhile, the population of Afghanistan is ~38.3 million people (34.6 million fewer people live in Oklahoma).
This to-scale comparison of Afghanistan vs. Oklahoma uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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