City size comparison

compared to

Pittsburgh is about 11 times smaller than London.

London (including the 32 boroughs of greater London) is approximately 1,572 sq km, while Pittsburgh is approximately 143 sq km, making Pittsburgh 9.12% the size of London.
Tip: This to-scale comparison of London vs. Pittsburgh uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Pittsburgh vs. London

Flip Comparison · See true size
See Pittsburgh on top of London
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Cost of Living Comparison · 7 categories - 2026 data
London is 41.9% more expensive than Pittsburgh
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