City size comparison

compared to

Karachi is about 28 times bigger than Boston.

Boston is approximately 124 sq km, while Karachi is approximately 3,527 sq km, making Karachi 2,744% larger than Boston.
Tip: This to-scale comparison of Boston vs. Karachi uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Karachi vs. Boston

Flip Comparison · See true size
See Karachi on top of Boston
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Cost of Living Comparison · 7 categories - 2026 data
Boston is 7.7 times more expensive than Karachi
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