Tanzania is 12,910 times larger than Orange, California.
Area: 947,300 km2 World Factbook
Population: 49,639,138 (July 2014) World Factbook
Tanzania, officially the United Republic of Tanzania, is a country in East Africa in the African Great Lakes region. It is bordered by Kenya and Uganda to the north; Rwanda, Burundi and the Democratic Republic of the Congo to the west; and Zambia, Malawi and Mozambique to the south. Wikipedia
Area: 73 km2 calculated
The city of Orange is located in Orange County, California. It is approximately 3 miles north of the county seat, Santa Ana. Orange is unusual in that many of the homes in its Old Town District were built prior to 1920. Wikipedia