Syria is around the same size as North Dakota.

North Dakota is approximately 178,647 sq km, while Syria is approximately 187,437 sq km, making Syria 5% larger than North Dakota. Meanwhile, the population of North Dakota is ~672,591 people (20.9 million more people live in Syria).
Tip: This to-scale comparison of North Dakota vs. Syria uses the Mercator projection, which distorts the size of regions near the poles.