Glendale is about 20 times smaller than London.

London (including the 32 boroughs of greater London) is approximately 1,572 sq km, while Glendale is approximately 79 sq km, making Glendale 5.02% the size of London.
Tip: This to-scale comparison of London vs. Glendale uses the Mercator projection, which distorts the size of regions near the poles.
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