Wichita, Kansas is 2.9 times larger than Dayton, Ohio.
Area: 149 km2 calculated
Dayton is the sixth largest city in the U.S. state of Ohio and is the county seat of Montgomery County. Wikipedia
Area: 430 km2 calculated
Wichita WICH-ə-taw is the largest city in the U.S. state of Kansas and the 49th-largest city in the United States. Located in south-central Kansas on the Arkansas River, Wichita is the county seat of Sedgwick County and the principal city of the Wichita metropolitan area. Wikipedia