The Ninoy Aquino International Airport Expressway (NAIAX), signed as E6 of the Philippine expressway network, is an 11.6-kilometer (7.2 mi) elevated expressway in Metro Manila, Philippines, which links the Skyway to the Ninoy Aquino International Airport and Entertainment City. Traversing the cities of Pasay and Parañaque, the NAIAX runs along Andrews Avenue, Electrical Road, and NAIA Road connecting the Skyway to Ninoy Aquino Avenue, Macapagal Boulevard, New Seaside Drive and the Manila–Cavite Expressway.