The average train between Cologne and Mainz takes 1h 35m and the fastest train takes 1h 19m. There is a train service every few hours from Cologne to Mainz. 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 Mainz. The earliest departure is at 12:18 AM at night, and the last departure from Cologne is at 11:23 PM which arrives into Mainz at 1:52 AM. All services require a transfer at Frankfurt(M) Flughafen Fernbf and take an average of 1h 35m. The schedules shown below are for the next available departures.

1h 35m • 1 change

1h 44m • 1 change

1h 35m • 1 change

1h 46m • 1 change

1h 19m • 1 change

1h 34m • 1 change

1h 28m • 1 change

1h 28m • 1 change

1h 34m • 1 change

1h 19m • 1 change

1h 34m • 1 change

1h 28m • 1 change
Want to know about travelling from Cologne to Mainz? 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 Mainz. However, there are services departing from Cologne station and arriving at Mainz station via Frankfurt(M) Flughafen Fernbf. The journey, including transfers, takes approximately 1h 35m.
Cologne to Mainz train services, operated by Deutsche Bahn Intercity (DB IC), depart from Koeln Hbf station.
Cologne to Mainz train services, operated by Deutsche Bahn Intercity (DB IC), arrive at Mainz, Römisches Theater station.
Book your Cologne to Mainz train tickets online with Deutsche Bahn Intercity (DB IC), Deutsche Bahn Regio (DB Regional) and 2 other operators.
The distance between Cologne and Mainz is 141.4 km. The road distance is 194 km.
You can take a train from Koeln Hbf to Mainz, Römisches Theater via Frankfurt(M) Flughafen Fernbf and Frankfurt in around 1h 27m.