United Kingdom is 1,647 times larger than Thousand Oaks, California.
Area: 243,610 km2 World Factbook
Population: 63,742,977 (July 2014) World Factbook
The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom or simply Britain, is a sovereign state located off the north-western coast of continental Europe. Wikipedia
Area: 148 km2 calculated
Thousand Oaks is an affluent city in southeastern Ventura County, California, part of the Greater Los Angeles Area in the United States. Thousand Oaks is located approximately 35 miles from Downtown Los Angeles and is also less than 15 miles from the Los Angeles city neighborhood of Woodland Hills. Wikipedia