The average train between Harrow and South Wales takes 4h 3m and the fastest train takes 3h 24m. There is a train service every few hours from Harrow to South Wales. 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 hourly between Harrow and South Wales. The earliest departure is at 6:29 AM in the morning, and the last departure from Harrow is at 11:56 PM which arrives into South Wales at 9:09 AM. All services require a transfer at Paddington station and take an average of 4h 3m. The schedules shown below are for the next available departures.


3h 25m • 2 changes
Arrives next day


8h 59m • 2 changes
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9h 13m • 2 changes


3h 40m • 2 changes


3h 28m • 2 changes


3h 25m • 2 changes


3h 25m • 2 changes


3h 40m • 2 changes


3h 28m • 2 changes


3h 25m • 2 changes


3h 25m • 2 changes
Want to know about travelling from Harrow to South Wales? 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 Harrow to South Wales. However, there are services departing from Harrow station and arriving at South Wales station via Cardiff Central. The journey, including transfers, takes approximately 4h 3m.
Harrow to South Wales train services, operated by London Underground (Tube), depart from London Paddington station.
Harrow to South Wales train services, operated by London Underground (Tube), arrive at Cwmbach station.
Book your Harrow to South Wales train tickets online with London Underground (Tube), Great Western Railway (GWR) and Transport for Wales.
The distance between Harrow and South Wales is 211.7 km. The road distance is 281 km.
You can take a subway from Kenton station to Cwmbach via Paddington station, London Paddington, and Cardiff Central in around 4h 12m.