Train
Bus
Llandeilo to London
Updated: 31 May 2026
The journey from Llandeilo to London is approximately 300 kilometers. You can travel by train via the Heart of Wales line and change at Swansea, or by bus. The journey takes about 4 hours. London is the capital of the United Kingdom, known for its history, culture, and vibrant city life.
Total Distance: 300 km driving, 260 km air distance.
Fastest Way
Driving, which takes about 3 hours and 30 minutes.
Cheapest Way
Bus, which is reliable and frequent.
Compare Llandeilo to London Routes
|
Connecting
|
Direct
|
|
|---|---|---|
| Duration | 4 hours | 5 hours |
| Avg Price | 40-80 GBP | 25-40 GBP |
| Operator | Transport for Wales / GWR | National Express |
| Route | Llandeilo to Swansea, then train to London Paddington. | A48 to M4 motorway. |
| Tip | The connection at Swansea is usually very efficient. | Buses are more frequent than trains. |
Travel Tips
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TimetablesAlways check the train timetable as it is limited.
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Bus StopsCheck the local bus stop locations in Llandeilo.
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TicketsBuy tickets on the bus or at the station.
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TrafficThe M4 can be busy during peak hours.
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WalkingLondon is very walkable.
Safety Tips
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Road SafetyThe M4 is a busy road; drive carefully.
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Station SafetyLondon stations are busy; stay alert.
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Personal SafetyStay in well-lit areas at night.
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EmergencyDial 999 for any emergency.
People Also Ask
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Is there a direct train?No, you must change at Swansea.
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How long is the drive?Approximately 3 hours and 30 minutes.
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Are there tolls?No, the route is toll-free.
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Is it a scenic route?Yes, it follows the valley.
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Can I take a bike?Yes, on the train with a reservation.
Quick Info
- From Llandeilo, Wales, United Kingdom
- To London, England, United Kingdom
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Modes
Best Time to Travel
Any time of year, as it is a major city destination.
Things to Do in London
1
Big Ben and Parliament
Visit the iconic landmarks.
2
British Museum
Explore the world-class museum.
3
London Eye
Enjoy the views of the city.
4
Tower of London
Discover the history of the fortress.
Tags
Llandeilo to London train
bus Llandeilo to London
M4 road route
Transport for Wales
Llandeilo travel
London travel
England capital travel
Heart of Wales line
