The average train between Diez and Cologne takes 2h 16m and the fastest train takes 1h 52m. There is a train service every few hours from Diez to Cologne. 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 Diez and Cologne. The earliest departure is at 4:50 AM at night, and the last departure from Diez is at 11:50 PM which arrives into Cologne at 2:05 AM. All services require a transfer, and take on average 2h 16m. The schedules shown below are for the next available departures.

2h 24m • 1 change

2h 17m • 1 change

2h 15m • 1 change

1h 52m • 1 change

3h 3m • 1 change

3h 34m • 1 change

2h 24m • 1 change

2h 42m • 1 change

3h 3m • 1 change

3h 34m • 1 change

2h 24m • 1 change

2h 42m • 1 change
Want to know about travelling from Diez to Cologne? 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 Diez to Cologne. However, there are services departing from Diez station and arriving at Cologne station via Koblenz Hauptbahnhof. The journey, including transfers, takes approximately 2h 16m.
Diez to Cologne train services, operated by Deutsche Bahn Regio (DB Regional), depart from Diez Bf station.
Diez to Cologne train services, operated by Deutsche Bahn Regio (DB Regional), arrive at Köln Hbf station.
The distance between Diez and Cologne is 98 km. The road distance is 137 km.
You can take a train from Diez Bf to Köln Hbf via Koblenz Hauptbahnhof in around 2h 4m.