Fort Wayne, Indiana is 2.2 times larger than Peoria, Illinois.
Area: 287 km2 calculated
Fort Wayne is a city in the U.S. state of Indiana and the county seat of Allen County. The population was 256,496 as of the 2013 Census estimate making it the 76th largest city in the United States and the second largest in Indiana after Indianapolis. Wikipedia
Area: 130 km2 calculated
Peoria is a city in and the county seat of Peoria County, Illinois, United States, and the largest city on the Illinois River. Established in 1691 by the French explorer Henri de Tonti, Peoria is the oldest European settlement in Illinois, and is named after the Peoria tribe. Wikipedia