The average train between Cologne and Ahrensburg takes 4h 51m and the fastest train takes 4h 36m. There is a train service every few hours from Cologne to Ahrensburg. 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 hourly between Cologne and Ahrensburg. The earliest departure is at 2:09 AM at night, and the last departure from Cologne is at 8:11 PM which arrives into Ahrensburg at 5:03 AM. All services require a transfer, and take on average 4h 51m. The schedules shown below are for the next available departures.

5h 20m • 1 change

4h 41m • 1 change

4h 36m • 1 change

4h 41m • 1 change

5h 10m • 1 change

5h 19m • 1 change

4h 41m • 1 change

4h 41m • 1 change

5h 6m • 1 change

5h 19m • 1 change

4h 41m • 1 change

4h 41m • 1 change
Want to know about travelling from Cologne to Ahrensburg? 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 Cologne to Ahrensburg. However, there are services departing from Cologne station and arriving at Ahrensburg station via Hamburg Hbf. The journey, including transfers, takes approximately 4h 51m.
Cologne to Ahrensburg train services, operated by Deutsche Bahn Intercity (DB IC), depart from Köln Hbf station.
Cologne to Ahrensburg train services, operated by Deutsche Bahn Intercity (DB IC), arrive at Hamburg Hbf station.
Book your Cologne to Ahrensburg train tickets online with Deutsche Bahn Intercity (DB IC) and Deutsche Bahn Regio (DB Regional).
The distance between Cologne and Ahrensburg is 377.5 km. The road distance is 457 km.
Deutsche Bahn Intercity (DB IC) operates a train from Köln Hbf to Hamburg Hbf hourly. Tickets cost €80–340 and the journey takes 4h 4m. MSM Partyzug also services this route once a week.