Naju is connected to various key destinations in South Korea via the KTX and other train services. The Naju to Gwangju route, covering approximately 40 kilometers, takes about 30 minutes. Another significant connection is the Naju to Seoul route, which spans around 350 kilometers and typically takes 2 hours and 30 minutes on the KTX. Additionally, trains operate from Naju to Busan, a distance of approximately 180 kilometers, with a journey time of around 1 hour and 50 minutes. The route to Mokpo is also notable, covering about 35 kilometers in roughly 25 minutes.