Country size comparison

compared to

Monaco is about 62 times smaller than Boston.

Boston is approximately 124 sq km, while Monaco is approximately 2 sq km, making Monaco 1.61% the size of Boston.
Tip: This to-scale comparison of Boston vs. Monaco uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Monaco vs. Boston
Flip Comparison · See true size
See Monaco on top of Boston
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Cost of Living Comparison · 7 categories - 2026 data
Boston is 24.8% cheaper than Monaco overall
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