Poland is 832 times larger than Portland, Oregon.
Area: 312,685 km2 World Factbook
Population: 38,346,279 (July 2014) World Factbook
Poland, officially the Republic of Poland, is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine and Belarus to the east; and the Baltic Sea, Kaliningrad Oblast and Lithuania to the north. Wikipedia
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