Colombia is 4.5 times larger than Wyoming (USA).
Area: 1,138,910 km2 World Factbook
Population: 46,245,297 (July 2014) World Factbook
Wikipedia
Area: 251,470 km2 US Census
Population: 582,658 (July 2013) US Census
Wyoming is a state in the mountain region of the Western United States. Wyoming is the 10th most extensive, but the least populous and the second least densely populated of the 50 United States. Wikipedia