Virgin Islands is about 3.5 times bigger than Guam.

Guam is approximately 544 sq km, while Virgin Islands is approximately 1,910 sq km, making Virgin Islands 251% larger than Guam. Meanwhile, the population of Guam is ~169,086 people (63,673 fewer people live in Virgin Islands).
Tip: This to-scale comparison of Guam vs. Virgin Islands 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.