Simplify the following text for a Grade 9 native English-speaking person.
Original: John F. Kennedy International Airport is an international airport located in Queens County , on Long Island , in New York City about 12 m southeast of Lower Manhattan .
Simplified: John F. Kennedy International Airport is an international airport . It is located on Long Island , in Queens County , New York in southeastern New York City about 12 miles ( 19 km ) from Lower Manhattan .