The average train between Brussels and Diez takes 5h 34m and the fastest train takes 4h 12m. The train service runs several times per day from Brussels to Diez. 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 Brussels and Diez. The earliest departure is at 6:31 AM in the morning, and the last departure from Brussels is at 8:34 PM which arrives into Diez at 7:46 AM. All services require a transfer at Köln Hbf and take an average of 5h 34m. The schedules shown below are for the next available departures.


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5h 12m • 2 changes
Want to know about travelling from Brussels to Diez? 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 Brussels to Diez. However, there are services departing from Brussels station and arriving at Diez station via Koeln Hbf. The journey, including transfers, takes approximately 5h 34m.
Brussels to Diez train services, operated by Deutsche Bahn Intercity (DB IC), depart from Brussels-Nord station.
Brussels to Diez train services, operated by Deutsche Bahn Intercity (DB IC), arrive at Diez Bf station.
Book your Brussels to Diez train tickets online with Deutsche Bahn Intercity (DB IC), National Express and 2 other operators.
The distance between Brussels and Diez is 264.3 km. The road distance is 353 km.
You can take a train from Brussels-Nord to Diez Bf via Köln Hbf and Koblenz Hauptbahnhof in around 4h 18m.