If you need to get from Germany to Poland, travelling by train from Cologne to Warsaw is a good option.
There is a special kind of direct train that operates between these two cities: the EuroNight sleeper train. The EuroNight train is, as the name implies, an overnight train from Cologne to Warsaw. There are also several daytime services, but they require changes en route.
All trains depart from the Cologne Hauptbahnhof (central station) and arrive at Warsaw Centralna station in the city centre.
The journey time from Cologne to Warsaw on the EuroNight sleeper train is 12 hours and 27 minutes. Trains depart Cologne at 22:28 and arrive in Warsaw at 10:55 the next morning. Day trains take between 10 hours and 17 minutes and 10 hours and 58 minutes, and require up to two connections.
The cost of a train ticket from Cologne to Warsaw varies by time and date, so it pays to plan ahead and book well in advance. Tickets prices also vary depending on whether you want to sleep in a seat or a couchette bed on the overnight train.
Fares for EuroNight trains from Cologne to Warsaw start at 43 euros for advance purchase tickets, while fares for day trains start at 59 euros for advance purchase tickets in second class and 109 euros in first class.
Seat reservations are required on all trains from Cologne to Warsaw, so make sure to book a seat or couchette reservation when you book your train.