Spain is about 133 times bigger than Sydney.

Sydney (the 30 councils of metropolitan Sydney, without the Blue Mountains, Hawkesbury, Wollondilly and the Central Coast) is approximately 3,810 sq km, while Spain is approximately 505,370 sq km, making Spain 13,165% larger than Sydney.
Tip: This to-scale comparison of Sydney vs. Spain uses the Mercator projection, which distorts the size of regions near the poles.
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