The average bus between Kastamonu and Istanbul takes 9h 1m and the fastest bus takes 8h 25m. The bus service runs several times per day from Kastamonu to Istanbul. 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 Kastamonu and Istanbul. The earliest departure is at 1:30 AM at night, and the last departure from Kastamonu is at 11:59 PM which arrives into Istanbul at 9:00 AM. All services run direct with no transfers required, and take on average 9h 1m. The schedules shown below are for the next available departures.
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Want to know about travelling from Kastamonu to Istanbul? 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 Kastamonu station and arriving at Istanbul station. Services depart every 3 hours, and operate 4 times a day. The journey takes approximately 9h 1m.
Kastamonu to Istanbul bus services, operated by Kale Seyahat, depart from Kastamonu bus station.
Kastamonu to Istanbul bus services, operated by Kale Seyahat, arrive at İstanbul Esenler bus station.
Book your Kastamonu to Istanbul bus tickets online with Kale Seyahat and Kamil Koç.
The distance between Kastamonu and Istanbul is 405.7 km. The road distance is 543 km.
Kamil Koç operates a bus from Kastamonu bus station to İstanbul Esenler bus station every 2 hours. Tickets cost ₺750–1,100 and the journey takes 9h 15m. Three other operators also service this route.