The average bus between Zonguldak and Bolu takes 3h 28m and the fastest bus takes 2h 45m. The bus service runs several times per day from Zonguldak to Bolu. 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 every 4 hours between Zonguldak and Bolu. The earliest departure is at 1:00 AM at night, and the last departure from Zonguldak is at 6:00 PM which arrives into Bolu at 9:40 PM. All services require a transfer, and take on average 3h 28m. The schedules shown below are for the next available departures.

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3h 45m • 1 changeWant to know about travelling from Zonguldak to Bolu? 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 Zonguldak to Bolu. However, there are services departing from Zonguldak station and arriving at Bolu bus station via Mengen station. The journey, including transfers, takes approximately 3h 28m.
Zonguldak to Bolu bus services, operated by Kale Seyahat, depart from Zonguldak station.
Zonguldak to Bolu bus services, operated by Kamil Koç, arrive at Bolu bus station.
Book your Zonguldak to Bolu bus tickets online with Omio.
The distance between Zonguldak and Bolu is 81.1 km. The road distance is 136 km.
You can take a bus from Zonguldak to Bolu bus station via Mengen in around 2h 44m.