Singapore is 4.2 times larger than Quezon City.
Area: 697 km2 World Factbook
Population: 5,567,301 (July 2014) World Factbook
Singapore, officially the Republic of Singapore, is a sovereign city-state and island country in Southeast Asia. It lies off the southern tip of the Malay Peninsula and is 137 kilometres north of the equator. Wikipedia
Area: 165 km2 calculated
Quezon City is one of the cities that make up Metro Manila, the National Capital Region of the Philippines, located on the island of Luzon. It is the most populous city in the country, and the largest city by area in Metro Manila. Quezon City was named after Manuel L. Wikipedia