The average bus between Istanbul and Kastamonu takes 8h 53m and the fastest bus takes 8h 30m. The bus service runs several times per day from Istanbul to Kastamonu. 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 3 hours between Istanbul and Kastamonu. The earliest departure is at 1:00 AM at night, and the last departure from Istanbul is at 11:00 PM which arrives into Kastamonu at 7:30 AM. All services run direct with no transfers required, and take on average 8h 53m. The schedules shown below are for the next available departures.
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Want to know about travelling from Istanbul to Kastamonu? 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.
Yes, there is a direct bus departing from Istanbul station and arriving at Kastamonu station. Services depart every 3 hours, and operate 4 times a day. The journey takes approximately 8h 53m.
Istanbul to Kastamonu bus services, operated by Kamil Koc, depart from İstanbul Esenler bus station.
Istanbul to Kastamonu bus services, operated by Kamil Koc, arrive at Kastamonu bus station.
Book your Istanbul to Kastamonu bus tickets online with Kamil Koc, Kale Seyahat and Efe Tur.
The distance between Istanbul and Kastamonu is 405.7 km. The road distance is 544 km.
Kamil Koc operates a bus from İstanbul Esenler bus station to Kastamonu bus station every 3 hours. Tickets cost ₺750–1,100 and the journey takes 8h 30m. Three other operators also service this route.