City size comparison

compared to

Istanbul is about 43 times bigger than Boston.

Boston is approximately 124 sq km, while Istanbul is approximately 5,343 sq km, making Istanbul 4,209% larger than Boston.
Tip: This to-scale comparison of Boston vs. Istanbul uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Istanbul vs. Boston

Flip Comparison · See true size
See Istanbul on top of Boston
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Cost of Living Comparison · 7 categories - 2026 data
Boston is 2.5 times more expensive than Istanbul
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