Kenya is about 3.2 times bigger than Missouri.

Missouri is approximately 178,414 sq km, while Kenya is approximately 580,367 sq km, making Kenya 225% larger than Missouri. Meanwhile, the population of Missouri is ~6.0 million people (49.9 million more people live in Kenya).
Tip: This to-scale comparison of Missouri vs. Kenya uses the Mercator projection, which distorts the size of regions near the poles.