New South Wales is about 1.2 times smaller than British Columbia.

British Columbia is approximately 944,735 km² (364,764 sq mi), while New South Wales is approximately 801,150 km² (309,326 sq mi), making New South Wales 84.8% the size of British Columbia.
Tip: This to-scale comparison of British Columbia vs. New South Wales uses the Mercator projection, which distorts the size of regions near the poles.
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