Winston-Salem, North Carolina is 45% larger than Surprise, Arizona.
Area: 239 km2 calculated
Surprise is a city in Maricopa County, Arizona, USA. The population was 30,848 at the 2000 census; however, rapid growth has boosted the city's population to 117,517 at the 2010 census, an increase of 281%. Wikipedia
Area: 348 km2 calculated
Winston-Salem is a city in and the county seat of Forsyth County, North Carolina, United States. With a 2013 estimated population of 236,441, it is the second largest municipality in the Piedmont Triad region and the fourth largest city in the state. Wikipedia