The Tohoku Shinkansen gives convenient access to Toyko (~90 min) and Sendai (~25 min). The Yamagata Shinkansen runs from Fukushima to Yonezawa (~35 min), Yamagata (~75 min), and terminates at Shinjo (~125 min).
JR East Pass
Adult (12+) 20,000 yen
Child (6-11) 10,000 yen
・Includes 5 days travel (within a 14-day period) on JR trains (and limited JR buses) in Tokyo and Tohoku areas.
・Children under 6 do not require a JR East Pass unless they require a seat reservation.
・Discount price (Adult 19,000 yen, Child 9,500 yen) available if purchased outside of Japan.
・Available from the View Plaza Ticket Office (East Exit, 1F) at Fukushima Station.
Japan Rail Pass Various
・Access to JR lines across Japan (see link for full details).
・Prices vary by duration (7 / 14 / 21 days) and class (Green / Ordinary).
JR East Pass (Tokyo and Tohoku):http://www.jreast.co.jp/e/eastpass_t/index.html
Japan Rail Pass (All of Japan):http://www.japanrailpass.net/en/