Knoxville, Tennessee is 2.5 times larger than Wilmington, North Carolina.
Area: 332 km2 calculated
Knoxville is a city in the U.S. state of Tennessee, and the county seat of Knox County. The city had a population of 178,874 as of the 2010 census and an estimated population of 183,270 in 2013, making it the state's third largest city. Wikipedia
Area: 131 km2 calculated
Wilmington is a port city in- and is the county seat of- New Hanover County in coastal southeastern North Carolina, United States. The population is 106,476; according to the 2010 Census it is the eighth most populous city in the state. Wikipedia