Country size comparison
compared to
Cuba is about 20 times smaller than Greenland.
Greenland is approximately 2,166,086 sq km, while Cuba is approximately 110,860 sq km, making Cuba 5.12% the size of Greenland. Meanwhile, the population of Greenland is ~57,792 people (11.0 million more people live in Cuba).
Compare further: Cuba vs. Greenland