Yosemite National Park is about 1.6 times bigger than Lake Okeechobee.

Lake Okeechobee is approximately 1,890 km² (730 sq mi), while Yosemite National Park is approximately 3,027 km² (1,169 sq mi), making Yosemite National Park 60% larger than Lake Okeechobee.
Tip: This to-scale comparison of Lake Okeechobee vs. Yosemite National Park uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.