The average train between Cologne and Mainz takes 1h 31m and the fastest train takes 1h 12m. There is an hourly train service 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 5:20 AM in the morning, and the last departure from Cologne is at 8:34 PM which arrives into Mainz at 10:22 PM. All services require a transfer, and take on average 1h 31m. The schedules shown below are for the next available departures.

2h 1m • 1 change

1h 37m • 1 change

1h 14m • 1 change

1h 37m • 1 change

2h 2m • 1 change

1h 37m • 1 change

1h 14m • 1 change

1h 37m • 1 change

2h 2m • 1 change

1h 37m • 1 change

1h 14m • 1 change

1h 37m • 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. The journey, including transfers, takes approximately 1h 31m.
Cologne to Mainz train services, operated by Deutsche Bahn Intercity (DB IC), depart from Köln Messe/Deutz Bf 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 vlexx.
The distance between Cologne and Mainz is 141.4 km. The road distance is 193 km.
You can take a train from Köln Messe/Deutz Bf to Mainz, Römisches Theater via Frankfurt in around 1h 27m.