It is about six hours from Tokyo to Nagano. If you do not check the train schedule previously, it may take much more time. Leaving Tokyo in the morning, you will reach in these three cities at night. Using overnight 'Moonlight Nagata' is also convenient. Leaving Osaka in the morning, you will arrive at these cities in the afternoon.
Train comes at least every thirty minutes.
Leaving Tokyo very early in the morning, you will reach Hiroshima at night. Leaving Osaka in the morning, you will get to Hiroshima in the afternoon, Fukuoka at night. It takes about five hours from Tokyo to Fukushima, six and a half hours to Sendai, eleven hours to Morioka, fifteen and a half hours to Aomori. If heading for Aomori or farther Hokkaido from Tokyo, it is better to take the overnight train 'Moonlight Echigo' . If you do not check the train schedule previously, it may take much more time.