The average bus between Mainz and Koper takes 15h 40m and the fastest bus takes 13h 52m. The bus service runs several times per day from Mainz to Koper. 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 twice daily between Mainz and Koper. The earliest departure is at 2:55 AM at night, and the last departure from Mainz is at 10:15 PM which arrives into Koper at 9:32 PM. All services require a transfer at Frankfurt central train station and take an average of 15h 40m. The schedules shown below are for the next available departures.
Arrives next day


14h 32m • 2 changes
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13h 52m • 2 changes


18h 37m • 2 changes
Arrives next day


14h 32m • 2 changes
Arrives next day


13h 52m • 2 changes
Arrives next day


23h 17m • 2 changes
Arrives next day


14h 32m • 2 changes
Arrives next day


13h 52m • 2 changes


18h 37m • 2 changes
Arrives next day


14h 32m • 2 changes
Arrives next day


13h 52m • 2 changes
Want to know about travelling from Mainz to Koper? 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 Mainz to Koper. However, there are services departing from Mainz station and arriving at Koper station via Ljubljana bus station station. The journey, including transfers, takes approximately 15h 40m.
Mainz to Koper bus services, operated by FlixBus, depart from Frankfurt central train station.
Mainz to Koper bus services, operated by FlixBus, arrive at Koper station.
Book your Mainz to Koper bus tickets online with FlixBus and Arriva Slovenia.
The distance between Mainz and Koper is 639.5 km. The road distance is 980 km.
You can take a bus from Mainz central train station to Koper via Frankfurt central train station, Ljubljana bus station, and Ljubljana AP in around 14h 34m.