City size comparison

compared to

London is about 10 times bigger than Saint Louis.

Saint Louis is approximately 160 sq km, while London (including the 32 boroughs of greater London) is approximately 1,572 sq km, making London 883% larger than Saint Louis.
Tip: This to-scale comparison of Saint Louis vs. London uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: London vs. Saint Louis

Flip Comparison · See true size
See London on top of Saint Louis
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Cost of Living Comparison · 7 categories - 2026 data
Saint Louis is 19.6% cheaper than London
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