Llandeilo
Llandeilo
Cardiff
Cardiff
Train Bus

Llandeilo to Cardiff

Updated: 31 May 2026

The journey from Llandeilo to Cardiff is approximately 100 kilometers. You can travel by train via the Heart of Wales line and change at Swansea, or by bus. The journey takes about 2 hours. Cardiff is the capital of Wales, known for its castle, stadium, and vibrant city center.

Total Distance: 100 km driving, 85 km air distance.
Fastest Way
Driving, which takes about 1 hour and 30 minutes.
Cheapest Way
Bus, which is reliable and frequent.
Compare Llandeilo to Cardiff Routes
Train
Connecting
Bus
Direct
Duration 2 hours 2 hours 30 mins
Avg Price 15-25 GBP 10-15 GBP
Operator Transport for Wales National Express
Route Llandeilo to Swansea, then train to Cardiff Central. A48 to M4 motorway.
Tip The connection at Swansea is usually very efficient. Buses are more frequent than trains.
Travel Tips
  • Timetables
    Always check the train timetable as it is limited.
  • Bus Stops
    Check the local bus stop locations in Llandeilo.
  • Tickets
    Buy tickets on the bus or at the station.
  • Traffic
    The M4 can be busy during peak hours.
  • Walking
    Cardiff city center is very walkable.
Safety Tips
  • Road Safety
    The M4 is a busy road; drive carefully.
  • Station Safety
    Cardiff Central is busy; stay alert.
  • Personal Safety
    Stay in well-lit areas at night.
  • Emergency
    Dial 999 for any emergency.
People Also Ask
  • Is there a direct train?
    No, you must change at Swansea.
  • How long is the drive?
    Approximately 1 hour and 30 minutes.
  • Are there tolls?
    No, the route is toll-free.
  • Is it a scenic route?
    Yes, it follows the valley.
  • Can I take a bike?
    Yes, on the train with a reservation.
Quick Info
  • From Llandeilo, Wales, United Kingdom
  • To Cardiff, Wales, United Kingdom
  • Modes
Best Time to Travel

Any time of year, as it is a major city destination.

Things to Do in Cardiff
1
Cardiff Castle
Explore the historic castle in the city center.
2
Principality Stadium
Visit the home of Welsh rugby.
3
Cardiff Bay
Enjoy the waterfront, restaurants, and the Senedd.
4
National Museum Cardiff
Discover art and history in this beautiful museum.
Tags
Llandeilo to Cardiff train bus Llandeilo to Cardiff M4 road route Transport for Wales Llandeilo travel Cardiff travel Wales capital travel Heart of Wales line