The route from Fukuoka to Okayama is primarily serviced by the Shinkansen, specifically the Mizuho and Sakura trains. The Mizuho service is the faster of the two, operating at speeds of up to 300 km/h (186 mph), and completing the journey in approximately 1 hour and 40 minutes. The train makes fewer stops, providing a swift connection between the cities. On the other hand, the Sakura train is slightly slower, reaching speeds of about 240 km/h (149 mph) and taking around 2 hours and 10 minutes, as it stops at more stations including Kurume and Fukuyama.
Both trains offer standard and Green Class seating options (Economy and First), with the Green Class providing additional comfort and space. Passengers can expect onboard amenities such as Wi-Fi access and refreshments. The Mizuho is best suited for those prioritizing speed, while the Sakura offers a more leisurely route with additional stops, catering to travelers looking to explore along the way.