North Carolina is about 1.6 times smaller than Senegal.

Senegal is approximately 196,722 sq km, while North Carolina is approximately 126,161 sq km, making North Carolina 64.13% the size of Senegal. Meanwhile, the population of Senegal is ~17.9 million people (8.4 million fewer people live in North Carolina).
Tip: This to-scale comparison of Senegal vs. North Carolina uses the Mercator projection, which distorts the size of regions near the poles.