The route from Satsumasendai to Osaka is primarily serviced by the Limited Express trains, specifically the Kyushu Shinkansen and the Sanyo Shinkansen. The journey generally begins with the Kyushu Shinkansen, which offers service to Hakata Station. This train reaches speeds of up to 260 km/h (162 mph) and covers the distance to Hakata in approximately 1 hour and 15 minutes. From Hakata, travelers can transfer to the Sanyo Shinkansen, which continues towards Osaka with speeds reaching up to 300 km/h (186 mph), completing the trip in an additional 2 hours and 30 minutes.
Passengers have the option of Ordinary and Green class seating on both Shinkansen services, ensuring a comfortable travel experience. The Limited Express trains offer a balance of speed and frequency, making it a practical choice for those heading from the southern region of Japan to the bustling city of Osaka. The overall travel time from Satsumasendai to Osaka, including the transfer, takes around 4 hours, depending on the connection times.