State size comparison

compared to

California is about 257 times bigger than London.

London (including the 32 boroughs of greater London) is approximately 1,572 sq km, while California is approximately 403,882 sq km, making California 25,592% larger than London.
Tip: This to-scale comparison of London vs. California uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: California vs. London

Flip Comparison · See true size
See California on top of London
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Cost of Living Comparison · 7 categories - 2026 data
London is 28.7% more expensive than California
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