Dongyang (China) is 4.3 times larger than Ikorodu.
Area: 1,736 km2 calculated
Dongyang is a Chinese city of about 800,000 people in the center of Zhejiang Province, about 200 kilometers south of Hangzhou. It covers an area of 1739 square kilometers and administers eleven towns, one county, and six subdistricts. It is part of the Yangtze River Delta Economic Region. Wikipedia
Area: 402 km2 calculated
Ikorodu is a city and Local Government Area in Lagos State, Nigeria. Located along the Lagos Lagoon, it shares a boundary with Ogun State. As of the 2006 Census Ikorodu had an enumerated population of 535,619. Wikipedia