Haneda Airport (HND) : Take the Shuto Highway exiting on Iikura Ramp. It is approximately a 30min. drive.
More details; https://anaintercontinental-tokyo.jp/en/location/
Narita International Airport (NRT) : Take Higashi-Kanto Highway to Shuto Highway. Exit on Kasumigaseki Ramp. Approximately 90 min.
More Details; https://anaintercontinental-tokyo.jp/en/location/