Canada is 113,439 times larger than Round Rock, Texas.
Area: 9,984,670 km2 World Factbook
Population: 34,834,841 (July 2014) World Factbook
Canada is a country in North America consisting of 10 provinces and 3 territories. Located in the northern part of the continent, it extends from the Atlantic to the Pacific and northward into the Arctic Ocean. Wikipedia
Area: 88 km2 calculated
Round Rock is a city in the state of Texas within the Greater Austin, Texas metropolitan area and Williamson County. The 2013 census estimate places the population at 109,821. Wikipedia