Sanyo-Onoda features several train stations that integrate with the overall rail network in Yamaguchi Prefecture. The main station, Sanyo-Onoda Station, functions as a key stop for the San'yō Main Line, allowing passengers to travel toward cities such as Shimonoseki and Hiroshima. Other stations in the area include Hōfu Station, which offers connections to the same main line, and Fukue Station, facilitating local travel within the region. These stations provide essential services, ensuring reliable transit for both residents and visitors.