Ontario is about 1.9 times smaller than Nunavut.

Nunavut is approximately 2,038,722 km² (787,155 sq mi), while Ontario is approximately 1,076,395 km² (415,598 sq mi), making Ontario 52.8% the size of Nunavut.
Tip: This to-scale comparison of Nunavut vs. Ontario uses the Mercator projection, which distorts the size of regions near the poles.
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