Everglades National Park is about 1.3 times bigger than Grand Canyon National Park.

Grand Canyon National Park is approximately 4,863 km² (1,878 sq mi), while Everglades National Park is approximately 6,105 km² (2,357 sq mi), making Everglades National Park 26% larger than Grand Canyon National Park.
Tip: This to-scale comparison of Grand Canyon National Park vs. Everglades National Park uses the Mercator projection, which distorts the size of regions near the poles.

Compare further: Everglades National Park vs. Grand Canyon National Park

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