Maryland is about 15 times smaller than Montana.

Montana is approximately 376,979 sq km, while Maryland is approximately 25,314 sq km, making Maryland 6.71% the size of Montana. Meanwhile, the population of Montana is ~1.1 million people (5.1 million more people live in Maryland).
Tip: This to-scale comparison of Montana vs. Maryland 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.