Switzerland is 68 times larger than Chicago.
Area: 41,277 km2 World Factbook
Population: 8,061,516 (July 2014) World Factbook
Switzerland, officially the Swiss Confederation, is a federal parliamentary republic consisting of 26 cantons, with Bern as the seat of the federal authorities, the so-called Bundesstadt. Wikipedia
Area: 608 km2 calculated
Chicago is the third most populous city in the United States, after New York City and Los Angeles. With 2.7 million residents, it is the most populous city in both the U.S. state of Illinois and the American Midwest. Wikipedia