Greenland is about 103,147 times bigger than Nauru.

Nauru is approximately 21 sq km, while Greenland is approximately 2,166,086 sq km, making Greenland 10,314,595% larger than Nauru. Meanwhile, the population of Nauru is ~9,811 people (47,981 more people live in Greenland).
Tip: This to-scale comparison of Nauru vs. Greenland uses the Mercator projection, which distorts the size of regions near the poles.
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