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From London Paddington to Merthyr Tydfil, take the fastest train in 3 hours 42 minutes, typically 3 hours 44 minutes. Daily, 13 trains depart from London Paddington, with the first at 08:36 and the last at 23:33. During Off-Peak times starting at 09:30 on weekdays, enjoy a quieter space with fewer people. Check real-time updates for train times, delays, and cancellations. We save you time, effort, and money.
| Departs | Arrives | Operator | ||
|---|---|---|---|---|
08:36 London Paddington | 3 hours 53 minutes, 1 change | 12:29 Merthyr Tydfil | Great Western Railway | Find tickets |
09:33 London Paddington | 3 hours 56 minutes, 1 change | 13:29 Merthyr Tydfil | Great Western Railway | Find tickets |
10:45 London Paddington | 3 hours 44 minutes, 1 change | 14:29 Merthyr Tydfil | Great Western Railway | Find tickets |
11:45 London Paddington | 3 hours 44 minutes, 1 change | 15:29 Merthyr Tydfil | Great Western Railway | Find tickets |
12:45 London Paddington | 3 hours 44 minutes, 1 change | 16:29 Merthyr Tydfil | Great Western Railway | Find tickets |
Travelling by train from London Paddington to Merthyr Tydfil is efficient and offers a scenic and comfortable experience. With frequent departures from London Paddington, you can reach Merthyr Tydfil in just 3 hours 42 minutes, making it one of the fastest and most convenient ways to travel between these two places.

The fastest train journey time from London Paddington to Merthyr Tydfil is 3 hours 42 minutes . Use our Train Journey Planner to find direct trains, avoid transfers, and compare travel times for each route to see if there are fewer stops to make your journey seamless.
No, unfortunately, you need to transfer from London Paddington to Merthyr Tydfil. Still, the TrainPal Train Journey Planner helps you find the best train. Just input your origin or destination places, then click "Search" to see the suitable route.

While London Paddington to Merthyr Tydfil trains are usually on time, delays or disruptions may occur due to weather, strikes, and other factors. Finding a train timetable for your trip from London Paddington to Merthyr Tydfil is easy with Train Journey Planner. Simply enter your departure and arrival stations to get a detailed schedule of available trains. Input your travel details to discover the best routes, connections, and train times.
Usually, you need to arrive at a station at least 15-20 minutes ahead of time. However, consider the station's size and your familiarity with it. If the station is large and you are not familiar with it, leaving home as early as possible is the best choice. This can reduce your stress and ensure a relaxing journey.
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Make use of our Train Journey Planner for detailed transfer information, ensuring your journey is smooth and efficient, saving you valuable time and effort, and allowing you to rest completely for your travels.

Use TrainPal for quick access to live updates and notifications. If your phone allows messages from us, you'll receive instant notifications about train cancellations directly on your screen.
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Trainpal helps you handle travel changes, refunds, and Delay Repay requests effortlessly.


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