Assertion: borough's mile | /r/HasProperty | 63,730 km2
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Source sentences:
text: According to the U.S. Census Bureau, the borough has a total area of 25,258 square miles (65,420 km2), of which 24,608 square miles (63,730 km2) is land and 650 square miles (1,700 km2) (2.6%) is water.