Boise, Idaho is 45% larger than Norfolk, Virginia.
Area: 207 km2 calculated
Boise is the capital and most populous city of the U.S. state of Idaho, as well as the county seat of Ada County. Located on the Boise River in southwestern Idaho, the population of Boise at the 2010 Census was 205,671, the 99th largest in the nation. Its estimated population in 2013 was 214,237. Wikipedia
Area: 143 km2 calculated
Norfolk is an independent city in the Commonwealth of Virginia. At the 2010 census, the population was 242,803; in 2013, the population was estimated to be 246,392 making it the second-most populous city in Virginia, behind neighboring Virginia Beach. Wikipedia