Macau is about 56 times smaller than London.

London (including the 32 boroughs of greater London) is approximately 1,572 sq km, while Macau is approximately 28 sq km, making Macau 1.79% the size of London.
Tip: This to-scale comparison of London vs. Macau uses the Mercator projection, which distorts the size of regions near the poles.
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