British Virgin Islands is about 1,779 times smaller than Colorado.

Colorado is approximately 268,627 sq km, while British Virgin Islands is approximately 151 sq km, making British Virgin Islands 0.06% the size of Colorado. Meanwhile, the population of Colorado is ~5.0 million people (5.0 million fewer people live in British Virgin Islands).
Tip: This to-scale comparison of Colorado vs. British Virgin Islands uses the Mercator projection, which distorts the size of regions near the poles.