The average bus between Cardiff and Dumbarton takes 14h and the fastest bus takes 12h 51m. The bus service runs several times per day from Cardiff to Dumbarton. 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 twice daily between Cardiff and Dumbarton. 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 Dumbarton at 7:17 AM. All services require a transfer at Lordswood Rd and take an average of 14h. The schedules shown below are for the next available departures.
Want to know about travelling from Cardiff to Dumbarton? 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 Dumbarton. However, there are services departing from Cardiff station and arriving at Dumbarton station via Lordswood Rd. The journey, including transfers, takes approximately 14h.
Cardiff to Dumbarton bus services, operated by National Express, depart from Sophia Gardens station.
Cardiff to Dumbarton bus services, operated by National Express, arrive at Buchanan Bus Station.
The distance between Cardiff and Dumbarton is 504.7 km. The road distance is 672 km.
You can take a bus from Sophia Gardens to Barloan Toll via Lordswood Rd, Newhall St, and Buchanan Bus Station in around 10h 26m.
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