The average bus between Prestwick and Castle Douglas takes 5h 22m and the fastest bus takes 3h 49m. The bus service runs several times per day from Prestwick to Castle Douglas. 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 Prestwick and Castle Douglas. The earliest departure is at 6:13 AM in the morning, and the last departure from Prestwick is at 11:50 PM which arrives into Castle Douglas at 11:38 AM. All services require a transfer at Buchanan Bus Station and take an average of 5h 22m. The schedules shown below are for the next available departures.


4h 20m • 2 changes


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4h 34m • 2 changes


4h 23m • 2 changes


4h 47m • 2 changes


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4h 34m • 2 changes


4h 47m • 2 changes


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5h 17m • 2 changes


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4h 50m • 2 changes
Want to know about travelling from Prestwick to Castle Douglas? 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 Prestwick to Castle Douglas. However, there are services departing from Prestwick station and arriving at Castle Douglas station via Buchanan Bus Station station. The journey, including transfers, takes approximately 5h 22m.
Prestwick to Castle Douglas bus services, operated by Stagecoach West Scotland, depart from Station Road.
Prestwick to Castle Douglas bus services, operated by Stagecoach West Scotland, arrive at Whitesands station.
The distance between Prestwick and Castle Douglas is 75.6 km. The road distance is 214 km.
You can take a bus from Station Road to Royal Bank via Buchanan Bus Station and Whitesands in around 4h 18m.