Portland, Oregon is 2.6 times larger than Saint Paul, Minnesota.
Area: 376 km2 calculated
Portland is the largest city by population in the U.S. state of Oregon, near the confluence of the Willamette and Columbia rivers. Wikipedia
Area: 145 km2 calculated
Saint Paul is the capital and second-most populous city of the state of Minnesota. As of 2013, the city's estimated population was 294,873. Saint Paul is the county seat of Ramsey County, the smallest and most densely populated county in Minnesota. Wikipedia