Sudan is 19,325 times larger than Rochester, New York.
Area: 1,861,484 km2 World Factbook
Population: 35,482,233 (July 2014) World Factbook
Sudan, officially the Republic of the Sudan, is an Arab republic in the Nile Valley of North Africa, bordered by Egypt to the north, the Red Sea, Eritrea and Ethiopia to the east, South Sudan to the south, the Central African Republic to the southwest, Chad to the west and Libya to the northwest. Wikipedia
Area: 96 km2 calculated
Rochester is a city in Monroe County, New York, south of Lake Ontario in the United States. Known as the World's Image Center, it was also once known as the Flour City, and more recently as The Flower City, annually hosting the Lilac Festival. It is the county seat for Monroe County. Wikipedia