The excellent, modern Narita Airport is inconveniently located 66km east of Tokyo. There are three terminals (the new Terminal 3 handles low-cost carriers), all with tourist information centres.
Note that only terminals 1 and 2 have train stations. Free shuttle buses run between all the terminals every 15 to 30 minutes (from 7am to 9.30pm). Another free shuttle runs between Terminal 2 and Terminal 3 every three to seven minutes (4.30am to 11.20pm); otherwise it is a 15-minute walk between the two terminals.