The average train between Cologne and Aarau takes 4h 59m and the fastest train takes 4h 57m. The train service runs several times per day from Cologne to Aarau. 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 4 hours between Cologne and Aarau. The earliest departure is at 6:45 AM in the morning, and the last departure from Cologne is at 6:45 PM which arrives into Aarau at 11:42 PM. All services require a transfer at Frankfurt and take an average of 4h 59m. The schedules shown below are for the next available departures.



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4h 59m • 3 changesWant to know about travelling from Cologne to Aarau? 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 Aarau. However, there are services departing from Köln Messe/Deutz Bf station and arriving at Basel SBB station via Frankfurt station. The journey, including transfers, takes approximately 4h 59m.
Cologne to Aarau train services, operated by Deutsche Bahn Intercity (DB IC), depart from Köln Messe/Deutz Bf station.
Cologne to Aarau train services, operated by Deutsche Bahn Intercity (DB IC), arrive at Basel SBB station.
Book your Cologne to Aarau train tickets online with Omio.
The distance between Cologne and Aarau is 401.7 km. The road distance is 542 km.
You can take a train from Köln Messe/Deutz Bf to Aarau via Frankfurt, Basel SBB, and Olten in around 5h 21m.