Missouri is about 44 times bigger than Cabo Verde.

Cabo Verde is approximately 4,033 sq km, while Missouri is approximately 178,414 sq km, making Missouri 4,324% larger than Cabo Verde. Meanwhile, the population of Cabo Verde is ~596,707 people (5.4 million more people live in Missouri).
Tip: This to-scale comparison of Cabo Verde vs. Missouri uses the Mercator projection, which distorts the size of regions near the poles.