The average bus between Karlovac and Postojna Cave takes 5h 47m and the fastest bus takes 4h 4m. The bus service runs several times per day from Karlovac to Postojna Cave. 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 Karlovac and Postojna Cave. The earliest departure is at 4:10 AM at night, and the last departure from Karlovac is at 8:05 PM which arrives into Postojna Cave at 6:07 AM. All services require a transfer at Zagreb, Autobusni Kolodvor and take an average of 5h 47m. The schedules shown below are for the next available departures.


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Want to know about travelling from Karlovac to Postojna Cave? 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 Cave. However, there are services departing from Karlovac station and arriving at Postojna Cave station via Zagreb, Autobusni Kolodvor. The journey, including transfers, takes approximately 5h 47m.
Karlovac to Postojna Cave bus services, operated by FlixBus, depart from Karlovac, Autobusni Kolodvor station.
Karlovac to Postojna Cave bus services, operated by FlixBus, arrive at Postojna station.
The distance between Karlovac and Postojna Cave is 109.6 km. The road distance is 265 km.
You can take a bus from Karlovac, Autobusni Kolodvor to Postojna Cave via Zagreb, Autobusni Kolodvor, Zagreb, Ljubljana bus station, Ljubljana AP, and Postojna in around 5h 47m.