The average train between Karlsruhe and Bonn takes 3h 46m and the fastest train takes 2h 53m. There is a train service every few hours from Karlsruhe to Bonn. 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 Karlsruhe and Bonn. The earliest departure is at 5:59 AM in the morning, and the last departure from Karlsruhe is at 9:59 PM which arrives into Bonn at 7:16 AM. All services require a transfer at Frankfurt and take an average of 3h 46m. The schedules shown below are for the next available departures.


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3h 1m • 2 changesWant to know about travelling from Karlsruhe to Bonn? 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 Karlsruhe to Bonn. However, there are services departing from Karlsruhe Hauptbahnhof station and arriving at Siegburg Bf station via Frankfurt station. The journey, including transfers, takes approximately 3h 46m.
Karlsruhe to Bonn train services, operated by Deutsche Bahn Intercity (DB IC), depart from Karlsruhe Hauptbahnhof station.
Karlsruhe to Bonn train services, operated by Deutsche Bahn Intercity (DB IC), arrive at Siegburg Bf station.
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The distance between Karlsruhe and Bonn is 213.5 km. The road distance is 275 km.
You can take a train from Karlsruhe Hauptbahnhof to Bonn Stadthaus via Frankfurt, Siegburg Bf, and Siegburg Bf in around 2h 56m.