Austin is around the same size as Calgary.

Calgary (map shows its 242 named neighbourhoods; the area covers the whole city) is approximately 826 sq km, while Austin (map shows its 70 named neighbourhoods; the area covers the whole city) is approximately 829 sq km, making Austin 0% larger than Calgary.
Tip: This to-scale comparison of Calgary vs. Austin uses the Mercator projection, which distorts the size of regions near the poles.
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