The average bus between Cairnryan and Castle Douglas takes 4h 19m and the fastest bus takes 2h 26m. The bus service runs several times per day from Cairnryan 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 4 hours between Cairnryan and Castle Douglas. The earliest departure is at 8:28 AM in the morning, and the last departure from Cairnryan is at 11:21 PM which arrives into Castle Douglas at 7:54 AM. All services require a transfer at Port Rodie and take an average of 4h 19m. The schedules shown below are for the next available departures.

2h 26m • 1 change

3h 6m • 1 change

3h 6m • 1 change

3h 36m • 1 change

2h 26m • 1 change

3h 6m • 1 change

3h 6m • 1 change

3h 36m • 1 change

2h 26m • 1 change

3h 6m • 1 change

3h 6m • 1 change

3h 36m • 1 change

2h 26m • 1 change

3h 6m • 1 change

3h 6m • 1 change

3h 36m • 1 change

3h 6m • 1 change

3h 6m • 1 change

3h 6m • 1 change

3h 36m • 1 change

2h 43m • 1 change

3h 32m • 1 change
Arrives next day

11h 12m • 1 change

2h 26m • 1 change

3h 6m • 1 change

3h 6m • 1 change

3h 36m • 1 change
Want to know about travelling from Cairnryan 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 Cairnryan to Castle Douglas. However, there are services departing from Cairnryan station and arriving at Castle Douglas station via Carlingwark Street. The journey, including transfers, takes approximately 4h 19m.
Cairnryan to Castle Douglas bus services, operated by Stagecoach West Scotland, depart from Port Rodie Ferry Terminal station.
Cairnryan to Castle Douglas bus services, operated by Stagecoach West Scotland, arrive at Carlingwark Street station.
The distance between Cairnryan and Castle Douglas is 70 km. The road distance is 103 km.
Houstons Minicoaches operates a bus from Port Rodie Ferry Terminal to Carlingwark Street hourly, and the journey takes 1h 54m.