Alberta (Canada) is 3,776 times larger than Irving, Texas.
Alberta is a province of Canada. With a population of 3,645,257 in 2011 and an estimated population of 4,082,571 as of January 1, 2014, it is Canada's fourth-most populous province and most populous of Canada's three prairie provinces. Wikipedia
Area: 175 km2 calculated
Irving is a city located in the U.S. state of Texas within Dallas County. According to a 2012 estimate from the U.S. Census Bureau, the city population was 225,427 making it the thirteenth most populous city in Texas. Wikipedia