Guatemala is about 1.2 times smaller than North Carolina.

North Carolina is approximately 126,161 sq km, while Guatemala is approximately 108,889 sq km, making Guatemala 86.31% the size of North Carolina. Meanwhile, the population of North Carolina is ~9.5 million people (8.2 million more people live in Guatemala).
Tip: This to-scale comparison of North Carolina vs. Guatemala uses the Mercator projection, which distorts the size of regions near the poles.