Prince Edward Island is about 1.2 times bigger than Grand Canyon National Park.

Grand Canyon National Park is approximately 4,863 km² (1,878 sq mi), while Prince Edward Island is approximately 5,620 km² (2,170 sq mi), making Prince Edward Island 16% larger than Grand Canyon National Park.
Tip: This to-scale comparison of Grand Canyon National Park vs. Prince Edward Island uses the Mercator projection, which distorts the size of regions near the poles.

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