Narita International Airport , also known as Tokyo-Narita International Airport, formerly and originally known as New Tokyo International Airport , is one of two international airports serving the Greater Tokyo Area, the other one being Haneda Airport (HND). It is about 60 kilometers (37 mi) east of central Tokyo in Narita, Chiba. The facility since July 2019, covers 1,137 hectares of land and there are future plans to expand to nearly 1,200 ha.

Kansai International Airport, commonly known as 関空 , is the primary international airport in the Greater Osaka Area of Japan and the closest international airport to the cities of Osaka, Kyoto, and Kobe. It is located on an artificial island in the middle of Osaka Bay off the Honshu shore, 38 km (24 mi) southwest of Ōsaka Station, located within three municipalities, including Izumisano (north), Sennan (south), and Tajiri (central), in Osaka Prefecture. The airport's 1st airport island covers approximately 510 hectares and the 2nd airport island covers approximately 545 hectares, for a total of 1,055 hectares.