The average bus between Port Glasgow and Dunbartonshire takes 1h 57m and the fastest bus takes 1h 27m. There is a bus service every few hours from Port Glasgow to Dunbartonshire. 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 hourly between Port Glasgow and Dunbartonshire. The earliest departure is at 6:57 AM in the morning, and the last departure from Port Glasgow is at 10:06 PM which arrives into Dunbartonshire at 6:47 AM. All services require a transfer, and take on average 1h 57m. The schedules shown below are for the next available departures.

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1h 52m • 1 changeWant to know about travelling from Port Glasgow to Dunbartonshire? 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 Port Glasgow to Dunbartonshire. However, there are services departing from Bus Station and arriving at Barloan Toll station via Buchanan Bus Station. The journey, including transfers, takes approximately 1h 57m.
Port Glasgow to Dunbartonshire bus services, operated by McGills Buses, depart from Bus Station.
Port Glasgow to Dunbartonshire bus services, operated by Scottish Citylink Coaches Ltd, arrive at Barloan Toll station.
The distance between Port Glasgow and Dunbartonshire is 10.3 km. The road distance is 27 km.
You can take a bus from Bus Station to Barloan Toll via Buchanan Bus Station in around 1h 53m.