Ontario (Canada) is 1,343 times larger than Gaocheng (China).
Ontario is one of the ten provinces of Canada, located in east-central Canada. It is Canada's most populous province by a large margin, accounting for nearly 40% of all Canadians, and is the second largest province in total area. Wikipedia
Area: 801 km2 calculated
Gaocheng is a county-level city under the administration of Shijiazhuang in southwestern Hebei province, People's Republic of China, on the upper reaches of the Hutuo River. The city has a total area of 836 square kilometres and in 2010 had a population of 743,000. Wikipedia