Manhattan is about 3.3 times smaller than Aruba.

Aruba is approximately 180 sq km, while Manhattan is approximately 55 km² (21 sq mi), making Manhattan 30.3% the size of Aruba.
Tip: This to-scale comparison of Aruba vs. Manhattan 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.