Quezon City is 3.9 times larger than Manila.
Area: 42 km2 calculated
Manila is the capital and second largest city of the Philippines. It is one of the sixteen cities which, along with the municipality of Pateros, make up Metro Manila, the National Capital Region, whose overall population is around 12 million. 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