It will definitely be tough, but the Shinkansen at least proves its possible. Taking the Shinkansen is almost disorienting with how fast it is. Not so much its

It will definitely be tough, but the Shinkansen at least proves its possible. Taking the Shinkansen is almost disorienting with how fast it is. Not so much its raw speed while in motion, but rather the fact that you hop in in a very normal-looking train station and a few hours later are so, so far away from where you started. I remember opening Google Maps and thinking there was something wrong with my GPS.