Boulder, Colorado is 3,437 times larger than National Capital Commission.
Area: 68 km2 calculated
Boulder is the county seat and most populous city of Boulder County and the 11th most populous city in the U.S. state of Colorado. Boulder is located at the base of the foothills of the Rocky Mountains at an elevation of 5,430 feet. The city is 25 miles northwest of Denver. Wikipedia
Area: 0 km2 calculated
The National Capital Commission is a Canadian Crown corporation that administers the federally owned lands and buildings in Canada's National Capital Region, including Ottawa, Ontario and Gatineau, Quebec. Wikipedia