Sanyo-Onoda sits in western Yamaguchi Prefecture on the Sanyo rail corridor between Shin-Yamaguchi and Shimonoseki. The city has two main passenger rail anchors: Asa Station for Shinkansen and regional rail, and Onoda Station for local services across the urban area. JR West operates the passenger trains serving Sanyo-Onoda, including the Sanyo Shinkansen at Asa.
Train services from Sanyo-Onoda include Kodama Shinkansen trains on the Sanyo Shinkansen, regional trains on the Sanyo Main Line, Mine Line services at Asa, and Onoda Line local trains around Onoda and Ube. Asa Station is the main train station for long-distance train tickets, while Onoda Station is useful for local rail travel within western Yamaguchi.
Rail routes from Sanyo-Onoda run east toward Shin-Yamaguchi, Tokuyama, Hiroshima, and Okayama, and west toward Shimonoseki, Kokura, and Fukuoka via the wider JR West and JR Kyushu network. Local lines also link Sanyo-Onoda with Ube and Mine. Book trains from and to Sanyo-Onoda online at Rail Monsters.