Sydney is about 31 times bigger than Vancouver.

Vancouver is approximately 124 sq km, while Sydney (the 30 councils of metropolitan Sydney, without the Blue Mountains, Hawkesbury, Wollondilly and the Central Coast) is approximately 3,810 sq km, making Sydney 2,982% larger than Vancouver.
Tip: This to-scale comparison of Vancouver vs. Sydney uses the Mercator projection, which distorts the size of regions near the poles.
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