Raleigh, North Carolina is 12% larger than Omaha, Nebraska.
Area: 342 km2 calculated
Omaha is the largest city in the state of Nebraska, United States, and is the county seat of Douglas County. It is located in the Midwestern United States on the Missouri River, about 10 miles north of the mouth of the Platte River. Wikipedia
Area: 385 km2 calculated
Raleigh is the capital of the state of North Carolina as well as the seat of Wake County. Raleigh is known as the "City of Oaks" for its many oak trees, which line the streets in the heart of the city. The city covers a land area of 142.8 square miles. According to the U.S. Wikipedia