Comparing the physical land area of Dallas/Fort Worth International Airport (DFW) to Manhattan is a matter of established geographic fact: DFW spans roughly 17,200 acres (about 27 square miles), whereas Manhattan covers approximately 23 square miles.
The claim compares the physical sizes of two well-known geographic areas. DFW airport covers approximately 27 square miles (17,200 acres), while Manhattan covers about 23 square miles. This is a matter of straightforward geographic observation and verifiable public data, making it common knowledge that requires no academic citation.