Orange County, North Carolina is 20 times larger than Caloocan.
Area: 53 km2 calculated
Caloocan is one of the cities that comprise Metro Manila, the National Capital Region of the Philippines. Located north to northeast of Manila, Caloocan is the country's third most populous city with a population of 1,489,040 as of the 2010 census. Wikipedia
Area: 1,038 km2 calculated
Orange County is a county located in the U.S. state of North Carolina. As of the 2010 census, the population was 133,801. Its county seat is Hillsborough. Wikipedia