Spain is about 4.2 times smaller than Saudi Arabia.

Saudi Arabia is approximately 2,149,690 sq km, while Spain is approximately 505,370 sq km, making Spain 23.51% the size of Saudi Arabia. Meanwhile, the population of Saudi Arabia is ~35.4 million people (11.8 million more people live in Spain).
This to-scale comparison of Saudi Arabia vs. Spain uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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