The average bus between Guildford and Cwmbran takes 5h 5m and the fastest bus takes 4h 7m. The bus service runs several times per day from Guildford to Cwmbran. 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 Guildford and Cwmbran. The earliest departure is at 5:21 AM in the morning, and the last departure from Guildford is at 11:00 PM which arrives into Cwmbran at 6:50 AM. All services require a transfer at Heathrow Terminal 2 and take an average of 5h 5m. The schedules shown below are for the next available departures.


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4h 11m • 2 changesWant to know about travelling from Guildford to Cwmbran? 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 Guildford to Cwmbran. However, there are services departing from Guildford station and arriving at Kingsway K14 station via Heathrow Terminal 2 station. The journey, including transfers, takes approximately 5h 5m.
Guildford to Cwmbran bus services, operated by First Berkshire & The Thames Valley, depart from Guildford station.
Guildford to Cwmbran bus services, operated by National Express, arrive at Kingsway K14 station.
The distance between Guildford and Cwmbran is 176 km. The road distance is 204 km.
You can take a bus from Guildford station to Cwmbran Bus Station Stand E via Heathrow Terminal 2, Heathrow Central Bus Station, Kingsway K14, and Market Square 16 in around 4h 46m.