City size comparison

compared to

London is about 7 times bigger than Seattle.

Seattle is approximately 217 sq km, while London (including the 32 boroughs of greater London) is approximately 1,572 sq km, making London 623% larger than Seattle.
Tip: This to-scale comparison of Seattle vs. London uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: London vs. Seattle
Flip Comparison · See true size
See London on top of Seattle
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Cost of Living Comparison · 7 categories - 2026 data
Seattle is 5.0% more expensive than London
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