Dominican Republic is about 270 times bigger than Aruba.

Aruba is approximately 180 sq km, while Dominican Republic is approximately 48,670 sq km, making Dominican Republic 26,939% larger than Aruba. Meanwhile, the population of Aruba is ~122,320 people (10.6 million more people live in Dominican Republic).
Tip: This to-scale comparison of Aruba vs. Dominican Republic uses the Mercator projection, which distorts the size of regions near the poles.
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