Argentina is about 11 times bigger than Guinea.

Guinea is approximately 245,857 sq km, while Argentina is approximately 2,780,400 sq km, making Argentina 1,031% larger than Guinea. Meanwhile, the population of Guinea is ~15.1 million people (30.8 million more people live in Argentina).
Tip: This to-scale comparison of Guinea vs. Argentina uses the Mercator projection, which distorts the size of regions near the poles.
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