Montana is about 2.3 times bigger than Suriname.

Suriname is approximately 163,820 sq km, while Montana is approximately 376,979 sq km, making Montana 130% larger than Suriname. Meanwhile, the population of Suriname is ~632,638 people (356,777 more people live in Montana).
Tip: This to-scale comparison of Suriname vs. Montana 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.