The average train between Roskilde and Sønderborg takes 4h 28m and the fastest train takes 3h 40m. The train service runs several times per day from Roskilde to Sønderborg. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run every 3 hours between Roskilde and Sønderborg. The earliest departure is at 2:25 AM at night, and the last departure from Roskilde is at 9:14 PM which arrives into Sønderborg at 1:30 AM. All services require a transfer, and take on average 4h 28m. The schedules shown below are for the next available departures.

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4h 23m • 1 changeWant to know about travelling from Roskilde to Sønderborg? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct train from Roskilde to Sønderborg. However, there are services departing from Roskilde station and arriving at Sønderborg station via Fredericia St.. The journey, including transfers, takes approximately 4h 28m.
Roskilde to Sønderborg train services, operated by Danish Railways (DSB), depart from Roskilde St. station.
Roskilde to Sønderborg train services, operated by Danish Railways (DSB), arrive at Sønderborg St. station.
The distance between Roskilde and Sønderborg is 166.4 km. The road distance is 323 km.
You can take a train from Roskilde St. to Sønderborg St. via Fredericia St. in around 4h 44m.