Limited Express Super Inaba (スーパーいなば) connects Okayama (岡山) with Tottori (鳥取). It is connected with Shinkansen and Sunrise Izumo/Sunrise Seto. This is the fastest access to Tottori from Tokyo by Sunrise Seto and Sunrise Izumo. If you access to Tottori from Okayama and to the west from Okayama, such as Hiroshima, Hakara and all places in Kyushu and Shikoku. But this train goes through non JR line, Chizu Kyuko Railway. It is operated on same route as Super Hakuto between Kamigori and Tottori. That means you need to pay extra if you use this train by Japan Rail Pass. If you don’t want to pay extra, get on Limited Express Yakumo from Okayama to Yonago and transfer to another Limited Express Super Matsukaze or Limited Express Super Oki to Tottori. However travel time of this combination is at least 1.5 hours longer than Super Inaba. Sometimes it may take more because of connection at Yonago.
Limited Express Super Hakuto (スーパーはくと) connects Kyoto (京都), Shin-Osaka (新大阪), Osaka (大阪), Sannomiya (三ノ宮) and Himeji (姫路) with Tottori (鳥取) and Kurayoshi (倉吉). This it the fastest and most frequent direct train service to Tottori from Osaka, Kobe and Kyoto. But this train goes through non JR line, Chizu Kyuko Railway. That means you need to pay extra if you use this train by Japan Rail Pass. If you don’t want to pay extra, Limited Express Hamakaze is available between Osaka and Tottori. However there is only one round trip and travel time is 1.5 hours longer than Super Hakuto.