The average bus between Karlovac and Postojna takes 7h 19m and the fastest bus takes 5h 19m. The bus service runs several times per day from Karlovac to Postojna. 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 5 times a day between Karlovac and Postojna. The earliest departure is at 5:50 AM in the morning, and the last departure from Karlovac is at 6:25 PM which arrives into Postojna at 6:07 AM. All services require a transfer at Zagreb, Autobusni Kolodvor and take an average of 7h 19m. The schedules shown below are for the next available departures.


5h 29m • 2 changes

5h 34m • 2 changes

6h 13m • 2 changes

5h 59m • 2 changes

5h 29m • 2 changes

5h 34m • 2 changes

6h 13m • 2 changes

5h 59m • 2 changes

5h 29m • 2 changes

6h 22m • 2 changes

5h 19m • 2 changes

6h 13m • 2 changes

5h 29m • 2 changes

6h 22m • 2 changes

5h 19m • 2 changes

6h 13m • 2 changesWant to know about travelling from Karlovac to Postojna? 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 Karlovac to Postojna. However, there are services departing from Karlovac, Autobusni Kolodvor station and arriving at Postojna station via Zagreb, Autobusni Kolodvor station and Ljubljana bus station. The journey, including transfers, takes approximately 7h 19m.
Karlovac to Postojna bus services, operated by Arriva Croatia, depart from Karlovac, Autobusni Kolodvor station.
Karlovac to Postojna bus services, operated by Nomago, arrive at Postojna station.
Book your Karlovac to Postojna bus tickets online with Omio.
The distance between Karlovac and Postojna is 108.6 km. The road distance is 146 km.
You can take a bus from Karlovac, Autobusni Kolodvor to Postojna via Zagreb, Autobusni Kolodvor, Zagreb, and Ljubljana AP in around 5h 18m.