"Newark Liberty International Airport is located within the city limits of both Newark and Elizabeth, New Jersey, United States. It is about 15ámiles southwest of Midtown Manhattan, and is the 10th busiest airport in the United States, meaning you might want to arrive early because parking might be scarce, unless you use ParkingCarma, which will make it a breeze. Find Newark Airport Parking for on-airport or off-airport, whether itÆs short term, daily, economy , or even valet! The Newark Airport provides users a unique system to get you from your parking lot to your terminal called the Airtrain system, which is free when using it in the airport. Check out ParkingCarma for other parking specifics."