The average train between Cardiff and Mons takes 6h 46m and the fastest train takes 5h 22m. The train service runs several times per day from Cardiff to Mons. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run every 4 hours between Cardiff and Mons. The earliest departure is at 6:20 AM in the morning, and the last departure from Cardiff is at 9:20 PM which arrives into Mons at 11:12 AM. All services require a transfer at London Paddington and take an average of 6h 46m. The schedules shown below are for the next available departures.



6h 53m • 3 changes



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6h 22m • 3 changes



7h 23m • 3 changes



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7h 24m • 3 changes



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7h 23m • 3 changes



6h 48m • 3 changes



6h 33m • 3 changes



6h 53m • 3 changes



6h 22m • 3 changes



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6h 22m • 3 changes



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6h 22m • 3 changes
Want to know about travelling from Cardiff to Mons? 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 train from Cardiff to Mons. However, there are services departing from Cardiff station and arriving at Mons station via London Paddington. The journey, including transfers, takes approximately 6h 46m.
Cardiff to Mons train services, operated by Great Western Railway (GWR), depart from Cardiff Central station.
Cardiff to Mons train services, operated by Great Western Railway (GWR), arrive at Mons station.
Book your Cardiff to Mons train tickets online with Great Western Railway (GWR), London Underground (Tube) and 2 other operators.
The distance between Cardiff and Mons is 512.1 km. The road distance is 668 km.
You can take a train from Cardiff Central to Mons via London Paddington, Paddington, King's Cross St. Pancras station, London St Pancras Intl, and Bruxelles-Midi in around 6h 39m.