Qingdao (China) is 49% larger than Lianyungang (China).
Area: 7,384 km2 calculated
Lianyungang is a prefecture-level city in northeastern Jiangsu province, People's Republic of China. It borders Yancheng to its southeast, Huai'an and Suqian to its south, Xuzhou to its southwest, and the province of Shandong to its north. Wikipedia
Area: 10,965 km2 calculated
Qingdao is a major city in eastern Shandong Province, Eastern China. Administered at the sub-provincial level, Qingdao has jurisdiction over 7 districts and 5 county-level cities. Wikipedia