The Utsunomiya to Nan'yō route is primarily served by the Tohoku Shinkansen, providing a fast and efficient connection between these two cities. The Hayabusa Shinkansen is the fastest service on this line, capable of reaching speeds of up to 320 km/h (199 mph). This train provides a journey time of approximately 1 hour and 15 minutes, making it a suitable option for travelers looking to minimize travel time with fewer stops compared to other services. In addition, the Yamabiko Shinkansen also operates on this route, offering a balance between speed and affordability. It reaches speeds of up to 275 km/h (171 mph) and takes around 1 hour and 45 minutes, stopping at several intermediate stations, including Sendai and Fukushima. Both services feature comfortable seating options in Ordinary and Green classes, along with onboard amenities such as snack and beverage services. The Hayabusa is the quicker option, while the Yamabiko provides access to more regional destinations, ideal for those looking to explore. Green Class allows for a more spacious seating experience for those seeking added comfort during the journey.