State size comparison

compared to

Pennsylvania is about 74 times bigger than London.

London (including the 32 boroughs of greater London) is approximately 1,572 sq km, while Pennsylvania is approximately 116,075 sq km, making Pennsylvania 7,284% larger than London.
Tip: This to-scale comparison of London vs. Pennsylvania uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Pennsylvania vs. London

Flip Comparison · See true size
See Pennsylvania on top of London
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Cost of Living Comparison · 7 categories - 2026 data
London is 51.0% more expensive than Pennsylvania
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