Pasig is 37% larger than Marikina.
Area: 23 km2 calculated
Marikina, officially the City of Marikina, located in the island of Luzon in the Philippines, is one of the cities that make up Metro Manila, the National Capital Region. Wikipedia
Area: 31 km2 calculated
Pasig, officially the City of Pasig is one of the highly urbanized cities of Metro Manila in the Philippines and was the former capital of the province of Rizal prior to the formation the National Capital Region. Wikipedia