Ohio is about 20 times smaller than Greenland.

Greenland is approximately 2,166,086 sq km, while Ohio is approximately 106,056 sq km, making Ohio 4.9% the size of Greenland. Meanwhile, the population of Greenland is ~57,792 people (11.5 million more people live in Ohio).
Tip: This to-scale comparison of Greenland vs. Ohio uses the Mercator projection, which distorts the size of regions near the poles.
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