Central African Republic is about 5 times bigger than Eritrea.

Eritrea is approximately 117,600 sq km, while Central African Republic is approximately 622,984 sq km, making Central African Republic 430% larger than Eritrea. Meanwhile, the population of Eritrea is ~3.6 million people (1.9 million more people live in Central African Republic).
Tip: This to-scale comparison of Eritrea vs. Central African Republic uses the Mercator projection, which distorts the size of regions near the poles.
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