Country size comparison

compared to

San Marino is about 2 times smaller than Boston.

Boston is approximately 124 sq km, while San Marino is approximately 61 sq km, making San Marino 49.19% the size of Boston.
Tip: This to-scale comparison of Boston vs. San Marino uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: San Marino vs. Boston
Flip Comparison · See true size
See San Marino on top of Boston
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Cost of Living Comparison · 6 categories - 2026 data
Boston is 2.1 times more expensive than San Marino overall
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