Country size comparison

compared to

Boston is about 62 times bigger than Monaco.

Monaco is approximately 2 sq km, while Boston is approximately 124 sq km, making Boston 6,100% larger than Monaco.
Tip: This to-scale comparison of Monaco vs. Boston uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Boston vs. Monaco
Flip Comparison · See true size
See Boston on top of Monaco
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Cost of Living Comparison · 7 categories - 2026 data
Monaco is 80.3% more expensive than Boston
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