Portland, Oregon is 4.5 times larger than West Jordan, Utah.
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: 84 km2 calculated
West Jordan is a city in Salt Lake County, Utah, United States. West Jordan is a rapidly growing suburb of Salt Lake City and has a mixed economy. According to the 2010 Census, the city had a population of 103,712, placing it as the fourth most populous in the state. Wikipedia