City size comparison

compared to

Pasadena is about 26 times smaller than London.

London (including the 32 boroughs of greater London) is approximately 1,572 sq km, while Pasadena is approximately 59 sq km, making Pasadena 3.78% the size of London.
Tip: This to-scale comparison of London vs. Pasadena uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Pasadena vs. London

Flip Comparison · See true size
See Pasadena on top of London
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Cost of Living Comparison · 7 categories - 2026 data
London is 34.3% more expensive than Pasadena
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