Illinois is about 2,360 times bigger than San Marino.

San Marino is approximately 61 sq km, while Illinois is approximately 143,961 sq km, making Illinois 235,902% larger than San Marino. Meanwhile, the population of San Marino is ~34,682 people (12.8 million more people live in Illinois).
This to-scale comparison of San Marino vs. Illinois uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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