Fukuyama, an intermediate stop on the San'yo Shinkansen line, is approximately 25 minutes from [wiki=853cfbf8cc7335320da12e9de6287da8]Hiroshima[/wiki] via the Hikari (¥4800), one hour from [wiki=0d70a380fe641d8206c6d43c185b9c23]Osaka[/wiki] (¥7850) and 90 minutes from [wiki=f5d540492523ba1f8e1516239c6b60fb]Fukuoka[/wiki] (¥11000). One-seat rides on the Nozomi depart once per hour from [wiki=492379b2b8f7ac3f7cc8e0ca6254f4b1]Kyoto[/wiki] (80 minutes, ¥8700), [wiki=10b22625bf8918f4fd3ae2f185bd44c8]Nagoya[/wiki] (2 hours, ¥12200) and [wiki=62413a57c5e3dc51177995fa175d3286]Tokyo[/wiki] (3 3/4 hours, ¥17200).
You cannot use the Nozomi with the Japan Rail Pass; if coming from Tokyo, Nagoya or Kyoto you will have to change trains en-route. However, there are two early-morning Hikari trains from Nagoya and Kyoto that offer a one-seat ride to Fukuyama.
From Tokyo, Odakyu Bus and Chugoku Bus operate the nightly Etoile Seto to Fukuyama from [wiki=f1b7e87a26b2c633ba456e95749b598b]Shinjuku[/wiki] Station (9 1/4 hours, ¥10500 each way).
Keihan Kyoto Kotsu runs three round-trips from Kyoto station (4 hours, ¥4100), and Kintetsu Bus runs seven round-trips from Osaka's Umeda and Namba stations (3 1/2 hours from Umeda, ¥3770).
From Hiroshima, Rose Liner buses operated by Ikasa Tetsudo and Tomo Tetsudo operate 2-3 times per hour out of the Hiroshima Bus Center (1 hour 40 minutes, ¥2300).