The average bus between Koper and Mainz takes 19h 20m 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 8:30 PM which arrives into Mainz at 5:30 PM. All services require a transfer at Ljubljana AP and take an average of 19h 20m. The schedules shown below are for the next available departures.
Arrives next day


15h 5m • 2 changes
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21h 20m • 2 changes


16h 30m • 2 changes
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24h 15m • 2 changes
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14h 40m • 2 changes


16h 30m • 2 changes
Arrives next day


24h 15m • 2 changes
Arrives next day


14h 40m • 2 changes


16h 30m • 2 changes
Arrives next day


24h 15m • 2 changes
Arrives next day


14h 40m • 2 changes


17h 30m • 2 changes
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24h 45m • 2 changes
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15h 5m • 2 changes
Arrives next day


21h 20m • 2 changes
Want 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 19h 20m.
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.
The distance between Koper and Mainz is 639.5 km. The road distance is 983 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 44m.