★Please note that the lobby you arrived at may be different according to the airline you used. Please refer to the link below
http://www.narita-airport.jp/en/index.html
No matter which terminal you use, the lobby you arrive at is on the first floor, and the railway platform is at underground 1F.
The first terminal is Narita Airport station, and the second terminal is airport second building station.
It takes about one hour to Tokyo station by Narita Express and about one hour and a half to Tokyo station by Rapid Airport Narita.
Please refer to http://www.jreast.co.jp/e/nex/index.html
Please transfer to JR Sobu line rapid at Tokyo station, take the train going to Chiba・Kimitsu and get off at Shinnihonbashi station, only one stop from Tokyo station. And then take the exit 4.
No matter which terminal you use, the bus station is at the same floor (1st)with the lobby you arrive at.
Please refer to http://www.limousinebus.co.jp/en/index.html
For terminal 1, please use (1) and (10) bus stops, for terminal 2, please use (7) and (17) bus stops.
It takes you about 80-110 minutes to get off at Mandarin Oriental Tokyo.