San Marino is about 838 times smaller than Costa Rica.

Costa Rica is approximately 51,100 sq km, while San Marino is approximately 61 sq km, making San Marino 0.12% the size of Costa Rica. Meanwhile, the population of Costa Rica is ~5.2 million people (5.2 million fewer people live in San Marino).
This to-scale comparison of Costa Rica vs. San Marino uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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