8. Orlando International Airport (MCO), 20 square miles 7. Southwest Florida International Airport (RSW), 21 square miles. 6. Dallas/Fort Worth International Airport (DFW), 27 square miles.
9. Washington Dulles International Airport (IAD), 18 square miles.. 8. Orlando International Airport (MCO), 20 square miles 7. Southwest Florida International Airport (RSW), 21 square miles. 6. Dallas ...