Colombia is 3,029 times larger than Portland, Oregon.
Area: 1,138,910 km2 World Factbook
Population: 46,245,297 (July 2014) World Factbook
Wikipedia
Area: 376 km2 calculated
Population: 603,106 (2012)
Portland is the largest city by population in the U.S. state of Oregon, near the confluence of the Willamette and Columbia rivers. Wikipedia