Yeah, ok, fair enough. First, I was conflating Tokyo with Japan. Second, by normal I meant "culturally accepted" so maybe I shoulda just said that. But you know, normal kinda also means "within 3 sigma" as well as "mean". These data for Tokyo are interesting:
http://nbakki.hatenablog.com/entry/2014/02/20/124942
and this one for Japan paints a more vague but differently interesting picture:
http://www.japan-guide.com/topic/0011.html
Really, it's not unusual to meet a salaryman with a 2-hour commute.