Tokyo-Nagano-Osaka-Kyoto-Hiroshima

Hello Wendy,

For this itinerary a 7 day JR Pass would work very very well! Even with a 14 day JR Pass help you make savings but since you'll do all longer distance travel in a 7 day period (day 6-12) you could do it all with a 7 day pass.

Travel within Tokyo is not very expansive and it is more economic to just buy normal ticket or use a day pass. Such as a Metro Day Pass or a JR Tokunai day pass. These can be purchased at local ticket machines.

The route from Nagano (via Kanazawa) to Osaka is covered by the JR Pass. There's also a limited express train once a day from Nagano direct Osaka station. This is also a very nice route as it passes around Mount Fuji and you can have some great views when the weather is nice. This is the limited Shinano express. This route is also covered by the JR Pass but does take a good amount of time, although you don't have any transfers.

Hope this helps,
Daniel