Spain is about 2.8 times bigger than Oklahoma.

Oklahoma is approximately 177,847 sq km, while Spain is approximately 505,370 sq km, making Spain 184% larger than Oklahoma. Meanwhile, the population of Oklahoma is ~3.8 million people (43.4 million more people live in Spain).
This to-scale comparison of Oklahoma vs. Spain uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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