The average bus between Cardiff and Blackmill takes 1h 34m and the fastest bus takes 55 min. The bus service runs several times per day from Cardiff to Blackmill. 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 Cardiff and Blackmill. The earliest departure is at 3:40 AM at night, and the last departure from Cardiff is at 7:55 PM which arrives into Blackmill at 8:52 PM. All services require a transfer, and take on average 1h 34m. The schedules shown below are for the next available departures.

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1h 10m • 1 changeWant to know about travelling from Cardiff to Blackmill? 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 Blackmill. However, there are services departing from Sophia Gardens station and arriving at Post Office station via Sarn Odeon station. The journey, including transfers, takes approximately 1h 34m.
Cardiff to Blackmill bus services, operated by National Express, depart from Sophia Gardens station.
Cardiff to Blackmill bus services, operated by First South & West Wales, arrive at Post Office station.
The distance between Cardiff and Blackmill is 26.8 km. The road distance is 31 km.
You can take a bus from Sophia Gardens to Post Office via Sarn Odeon in around 1h 2m.