Sudan is about 17 times bigger than Bulgaria.

Bulgaria is approximately 110,879 sq km, while Sudan is approximately 1,861,484 sq km, making Sudan 1,579% larger than Bulgaria. Meanwhile, the population of Bulgaria is ~6.9 million people (41.1 million more people live in Sudan).
This to-scale comparison of Bulgaria vs. Sudan uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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