City size comparison

compared to

Rockville is about 45 times smaller than London.

London (including the 32 boroughs of greater London) is approximately 1,572 sq km, while Rockville (map shows its 87 named neighbourhoods; the area covers the whole city) is approximately 35 sq km, making Rockville 2.24% the size of London.
Tip: This to-scale comparison of London vs. Rockville uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Rockville vs. London

Flip Comparison · See true size
See Rockville on top of London
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Cost of Living Comparison · 7 categories - 2026 data
London is 29.5% more expensive than Rockville
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