Ukraine is about 2.9 times bigger than Kansas.

Kansas is approximately 211,900 sq km, while Ukraine is approximately 603,550 sq km, making Ukraine 185% larger than Kansas. Meanwhile, the population of Kansas is ~3.0 million people (36.0 million more people live in Ukraine).
Tip: This to-scale comparison of Kansas vs. Ukraine uses the Mercator projection, which distorts the size of regions near the poles.
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