Bossier Parish, Louisiana is 5.9 times larger than Portland, Oregon.
Area: 2,232 km2 calculated
Bossier Parish is a parish located in the U.S. state of Louisiana. As of the 2010 census, the population was 116,979. The parish seat is Benton. The principal city is Bossier City, which is located east of the Red River from Shreveport, the seat of Caddo Parish. 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