The average bus between Cardiff and Castle Douglas takes 19h 52m and the fastest bus takes 17h 35m. There is at least one bus per day from Cardiff 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 once daily between Cardiff and Castle Douglas. The earliest departure is at 8:20 AM in the morning, and the last departure from Cardiff is at 5:25 PM which arrives into Castle Douglas at 11:00 AM. All services require a transfer at Lordswood Rd and take an average of 19h 52m. The schedules shown below are for the next available departures.
Arrives next day




24h 14m • 4 changes
Arrives next day




18h 13m • 4 changes
Arrives next day




22h 11m • 4 changes
Arrives next day




17h 50m • 4 changes
Want to know about travelling from Cardiff 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 Cardiff to Castle Douglas. However, there are services departing from Cardiff station and arriving at Castle Douglas station via Lordswood Rd. The journey, including transfers, takes approximately 19h 52m.
Cardiff to Castle Douglas bus services, operated by National Express, depart from Sophia Gardens station.
Cardiff to Castle Douglas bus services, operated by National Express, arrive at Whitesands station.
The distance between Cardiff and Castle Douglas is 388 km. The road distance is 811 km.
You can take a bus from Sophia Gardens to Royal Bank via Lordswood Rd, Newhall St, Buchanan Bus Station, and Whitesands in around 13h 13m.