Longhai City (China) is 19% larger than Yongkang, Zhejiang.
Area: 1,264 km2 calculated
Longhai is a county-level city within the prefecture-level city of Zhangzhou, in the south of Fujian province, People's Republic of China. Longhai comprises territory on both banks of the lower Jiulong River, although most of its area is on the right bank. Wikipedia
Area: 1,065 km2 calculated
Yongkang is a county-level city located in the central part of Zhejiang province, People's Republic of China. It has an area of 1,049 km² and a population of 536,000 with more than 100,000 non-resident workers. Wikipedia