If there are changes in your route, make sure you always have enough time to walk from one platform to the other and never forget the possibility of delay that could make you miss the second train.
Especially when travelling alone, such long journeys can be extremely boring. The plane is in this case the perfect alternative: if you can book in advance, low cost airlines can offer tickets to Erzurum even cheaper than train tickets.
In which stations can you take the train to Erzurum and where will you arrive?
The trains to Erzurum will leave from Ankara Gar or Kayaş and will arrive at Erzurum.
How long will it take you from Ankara to Erzurum by train and when do the trains leave?
While the first train to Erzurum leaves at 16:10, the last one is scheduled for 18:10. The average duration of the journey is of 21 hours and 39 minutes, but the fastest trains can get you to Erzurum in 20 hours and 2 minutes.