Colombia is 3,433 times larger than Knoxville, Tennessee.
Area: 1,138,910 km2 World Factbook
Population: 46,245,297 (July 2014) World Factbook
Wikipedia
Area: 332 km2 calculated
Population: 182,200 (2012)
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