Miami is about 1.7 times smaller than Richmond.

Richmond is approximately 155 sq km, while Miami is approximately 92 sq km, making Miami 59.53% the size of Richmond.
Tip: This to-scale comparison of Richmond vs. Miami 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.