Mackinac Island is about 2.8 times bigger than Central Park.

Central Park is approximately 3.41 km² (1.32 sq mi), while Mackinac Island is approximately 9.54 km² (3.68 sq mi), making Mackinac Island 180% larger than Central Park.
Tip: This to-scale comparison of Central Park vs. Mackinac Island uses the Mercator projection, which distorts the size of regions near the poles.
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