The average bus between Koper and Mainz takes 18h 59m and the fastest bus takes 14h 40m. The bus service runs several times per day from Koper 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.
Buses run 3 times a day between Koper and Mainz. The earliest departure is at 5:05 AM in the morning, and the last departure from Koper is at 8:10 PM which arrives into Mainz at 5:30 PM. All services require a transfer at Ljubljana AP and take an average of 18h 59m. The schedules shown below are for the next available departures.


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21h 20m • 2 changesWant to know about travelling from Koper 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 bus from Koper to Mainz. However, there are services departing from Koper station and arriving at Mainz station via Ljubljana AP. The journey, including transfers, takes approximately 18h 59m.
Koper to Mainz bus services, operated by Arriva Slovenia, depart from Koper station.
Koper to Mainz bus services, operated by Arriva Slovenia, arrive at Frankfurt central train station.
Book your Koper to Mainz bus tickets online with Arriva Slovenia and FlixBus.
The distance between Koper and Mainz is 639.5 km. The road distance is 984 km.
You can take a bus from Koper to Mainz central train station via Ljubljana AP, Ljubljana bus station, and Frankfurt central train station in around 15h 54m.