Maybe you're the sort of person who loves planning every tiny detail of your trip. Or perhaps you'd rather jump in your rental car and take things as they come. Whatever your method, there are some basic details about Hanoi Airport (HAN-Noi Bai Intl.) that you shouldn't leave home without.Once you've grabbed your suitcase from the arrivals hall of Hanoi Airport (HAN-Noi Bai Intl.), get set to hop behind the wheel of your rental car and make your way into Hanoi. The central area is situated 12 miles south of the airport.